/* ==========================================================================
   OSCE EXAM SYSTEM - DESIGN SYSTEM V2 (INSPIRADO EN BUK / MODERN SAAS LIGHT)
   Colores frescos, alta legibilidad, descanso visual y 100% responsive
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ---- Variables de Diseño ---- */
:root {
  /* Paleta Principal (Royal Cobalt Blue & Light Slate) */
  --primary: #1e40af;
  --primary-light: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff6ff;
  --primary-border: #bfdbfe;
  --primary-glow: rgba(37, 99, 235, 0.18);

  /* Acentos Buk (Mint Green, Cyan, Amber, Rose) */
  --accent-mint: #10b981;
  --accent-mint-soft: #ecfdf5;
  --accent-mint-border: #a7f3d0;
  
  --accent-cyan: #0284c7;
  --accent-cyan-soft: #f0f9ff;
  
  --accent-amber: #d97706;
  --accent-amber-soft: #fffbeb;
  
  --accent-red: #ef4444;
  --accent-red-soft: #fef2f2;
  --accent-red-border: #fecaca;

  /* Fondos y Superficies (Limpio y no cansado) */
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-hover: #f8fafc;
  
  /* Bordes */
  --border-light: #e2e8f0;
  --border-focus: #3b82f6;

  /* Tipografía */
  --text-main: #0f172a;        /* Azul medianoche / Slate profundo */
  --text-secondary: #334155;   /* Gris azulado oscuro */
  --text-muted: #64748b;       /* Gris medio equilibrado */
  --text-subtle: #94a3b8;

  /* Sombras Modernas (Soft SaaS Elevation) */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 12px 28px -4px rgba(37, 99, 235, 0.12), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-modal: 0 25px 50px -12px rgba(15, 23, 42, 0.25);

  /* Bordes redondeados */
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-pill: 9999px;

  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Modo Oscuro / Dark Mode (Zinc & Midnight Cobalt) ---- */
[data-theme="dark"],
.dark {
  /* Paleta Principal Dark */
  --primary: #3b82f6;
  --primary-light: #60a5fa;
  --primary-hover: #2563eb;
  --primary-soft: rgba(59, 130, 246, 0.16);
  --primary-border: rgba(96, 165, 250, 0.35);
  --primary-glow: rgba(59, 130, 246, 0.25);

  /* Acentos Dark */
  --accent-mint: #34d399;
  --accent-mint-soft: rgba(16, 185, 129, 0.16);
  --accent-mint-border: rgba(52, 211, 153, 0.35);
  
  --accent-cyan: #38bdf8;
  --accent-cyan-soft: rgba(56, 189, 248, 0.16);
  
  --accent-amber: #fbbf24;
  --accent-amber-soft: rgba(245, 158, 11, 0.16);
  
  --accent-red: #f87171;
  --accent-red-soft: rgba(239, 68, 68, 0.16);
  --accent-red-border: rgba(248, 113, 113, 0.35);

  /* Fondos y Superficies Dark */
  --bg-page: #0b0f19;
  --bg-card: #151c2e;
  --bg-subtle: #1e293b;
  --bg-hover: #1e293b;
  
  /* Bordes Dark */
  --border-light: #283548;
  --border-focus: #60a5fa;

  /* Tipografía Dark */
  --text-main: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  /* Sombras Dark */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.07);
  --shadow-hover: 0 14px 35px -5px rgba(37, 99, 235, 0.25), 0 0 0 1px rgba(96, 165, 250, 0.25);
  --shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* Fondo sutil con destellos de luz estilo Buk (Mesh blurs) */
.bg-animated {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background: 
    radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(2, 132, 199, 0.05) 0%, transparent 50%),
    #f8fafc;
}

/* Layout Containers */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.container-sm {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 18px;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   PANTALLA DE INICIO (HOME)
   ========================================================================== */
.inicio-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  position: relative;
  z-index: 1;
}

/* Logo con estética Buk Horizontal */
.inicio-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 20px;
  text-align: left;
}

.logo-badge {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.28);
  color: #ffffff;
  flex-shrink: 0;
  transition: var(--transition);
}

.logo-badge svg {
  width: 24px;
  height: 24px;
  stroke: #ffffff;
}

.logo-text h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.logo-text p {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Tarjeta Principal de Inicio (Mismas medidas que Login en PC) */
.card-inicio {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 34px 34px 28px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  position: relative;
  transition: var(--transition);
}

.card-inicio h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}

.card-inicio p.subtitle {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 14px;
  line-height: 1.35;
}

/* Barra horizontal compacta de métricas (Info Strip) */
.info-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin-bottom: 16px;
  gap: 8px;
}

.info-strip-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.info-strip-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--primary-light);
  flex-shrink: 0;
}

.info-strip-divider {
  width: 1px;
  height: 16px;
  background: var(--border-light);
}

/* Selector de nivel compacto */
.level-selector-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 6px;
  margin-bottom: 16px;
}

.level-tab {
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 8px 6px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  display: block;
}

.level-tab input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.level-tab:hover {
  background: #ffffff;
  border-color: var(--primary-border);
}

.level-tab.active {
  background: var(--primary-soft);
  border-color: var(--primary-light);
  box-shadow: 0 0 0 1px var(--primary-light), 0 2px 8px rgba(37, 99, 235, 0.12);
}

.level-tab .tab-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.level-tab .tab-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.level-tab.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  background: #f8fafc;
}

/* Botón Iniciar Examen en Pantalla Principal */
.btn-start-exam {
  padding: 13px 22px;
  font-size: 1.02rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.32);
  transition: var(--transition);
}

.btn-start-exam:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.42);
}

.btn-start-exam:active {
  transform: translateY(0);
}

/* Animación y llamada de atención para campo requerido */
@keyframes shakeInput {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-7px); }
  40%, 80% { transform: translateX(7px); }
}

.form-control.input-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25) !important;
  animation: shakeInput 0.4s ease-in-out;
}

.error-callout {
  display: none;
  align-items: center;
  gap: 6px;
  color: #b91c1c;
  background: #fef2f2;
  border: 1.5px solid #fca5a5;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 6px;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.12);
}

.error-callout.show {
  display: flex;
  animation: shakeInput 0.4s ease-in-out;
}

.info-badge .value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1.1;
}

.info-badge .label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-top: 3px;
  display: block;
}

/* Selector de Nivel interactivo estilo Buk */
.level-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 6px;
  margin-bottom: 18px;
}

.level-option {
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 6px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.level-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.level-option:hover {
  background: #ffffff;
  border-color: var(--primary-border);
  transform: translateY(-1px);
}

.level-option.active {
  background: var(--primary-soft);
  border-color: var(--primary-light);
  box-shadow: 0 0 0 1px var(--primary-light), 0 4px 12px rgba(37, 99, 235, 0.12);
}

.level-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  margin-bottom: 4px;
}
.level-badge-tag.green { background: #dcfce7; color: #15803d; }
.level-badge-tag.yellow { background: #fef3c7; color: #b45309; }
.level-badge-tag.blue { background: #e0f2fe; color: #0369a1; }

.level-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.level-desc {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.level-option.level-pending {
  opacity: 0.55;
  cursor: not-allowed;
  background: #f8fafc;
}

/* Form Controls */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder {
  color: var(--text-subtle);
}

/* Botones Modernos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  letter-spacing: -0.01em;
  position: relative;
  user-select: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-full {
  width: 100%;
}

.btn-success {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  background: #047857;
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  background: #b91c1c;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* Lista de características (Features) */
.features-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.feature-icon-bullet {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-mint-soft);
  color: var(--accent-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon-bullet svg {
  width: 12px;
  height: 12px;
  stroke: var(--accent-mint);
  stroke-width: 3;
}

/* Footer Oficial */
.osce-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.osce-footer a {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
}

.osce-footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   INTERFAZ DE EXAMEN (STICKY HEADER, PROGRESS, CARDS, TIMER)
   ========================================================================== */
.exam-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 10px 0;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}

.exam-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.exam-title-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.exam-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--primary);
}

.exam-student {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Cronómetro estilo Buk Pill */
.timer-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.timer {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  min-width: 120px;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.timer svg {
  width: 17px;
  height: 17px;
  stroke: var(--primary-light);
}

.timer-display {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.timer.warning {
  border-color: #f59e0b;
  background: #fffbeb;
}
.timer.warning .timer-display { color: #d97706; }
.timer.warning svg { stroke: #d97706; }

.timer.danger {
  border-color: #ef4444;
  background: #fef2f2;
  animation: timerPulse 0.8s ease infinite alternate;
}
.timer.danger .timer-display { color: #dc2626; }
.timer.danger svg { stroke: #dc2626; }

@keyframes timerPulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.03); }
}

/* Barra de Progreso */
.exam-progress {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  padding: 8px 0;
}

.progress-bar-container {
  background: var(--bg-subtle);
  border-radius: var(--radius-pill);
  height: 6px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6 0%, #10b981 100%);
  border-radius: var(--radius-pill);
  transition: width 0.35s ease;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Carrusel de Balas / Preguntas (1 al 40) */
.question-nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  padding: 8px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.question-nav-inner {
  display: flex;
  gap: 5px;
  min-width: max-content;
  padding: 0 16px;
}

.q-nav-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.q-nav-btn:hover {
  background: #ffffff;
  border-color: var(--primary-light);
  color: var(--primary-light);
}

.q-nav-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.35);
}

.q-nav-btn.answered {
  background: #dcfce7;
  border-color: #86efac;
  color: #15803d;
}

.q-nav-btn.active.answered {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* Tarjeta de Pregunta en Curso */
.exam-body {
  padding: 20px 0 90px;
}

.question-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  animation: fadeIn 0.25s ease;
}

.question-number-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-wrap: wrap;
  max-width: 100%;
}

.question-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* Alternativas */
.alternatives-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.alternative-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.alternative-item:hover {
  border-color: var(--primary-border);
  background: var(--bg-hover);
  transform: translateX(2px);
}

.alternative-item.selected {
  border-color: var(--primary-light);
  background: var(--primary-soft);
  box-shadow: 0 0 0 1px var(--primary-light), 0 4px 12px rgba(37, 99, 235, 0.08);
}

.alt-letter {
  min-width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-secondary);
  transition: var(--transition);
  flex-shrink: 0;
  margin-top: 1px;
}

.alternative-item:hover .alt-letter {
  background: #e0f2fe;
  color: var(--primary);
  border-color: #bae6fd;
}

.alternative-item.selected .alt-letter {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.alt-text {
  font-size: 0.93rem;
  color: var(--text-main);
  line-height: 1.48;
}

/* Acciones entre preguntas */
.question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

/* Pie fijo del examen */
.exam-sticky-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  z-index: 99;
  box-shadow: 0 -4px 16px rgba(15, 23, 42, 0.04);
}

.exam-footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ==========================================================================
   PANTALLA DE RESULTADOS
   ========================================================================== */
.resultado-page {
  padding: 30px 16px 60px;
}

.resultado-header {
  text-align: center;
  margin-bottom: 22px;
}

.resultado-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.resultado-icon-wrap.success {
  background: var(--accent-mint-soft);
  color: var(--accent-mint);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.2);
}
.resultado-icon-wrap.failed {
  background: var(--accent-red-soft);
  color: var(--accent-red);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.2);
}
.resultado-icon-wrap svg {
  width: 32px;
  height: 32px;
}

.stat-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
}

.resultado-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.resultado-title.aprobado { color: #059669; }
.resultado-title.desaprobado { color: #dc2626; }
.resultado-title.tiempo { color: #d97706; }

/* Círculo de porcentaje */
.score-circle-container {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.score-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: conic-gradient(#10b981 var(--score-deg, 0deg), #e2e8f0 var(--score-deg, 0deg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
}

.score-circle.desaprobado {
  background: conic-gradient(#ef4444 var(--score-deg, 0deg), #e2e8f0 var(--score-deg, 0deg));
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.15);
}

.score-circle::before {
  content: '';
  position: absolute;
  width: 112px;
  height: 112px;
  background: #ffffff;
  border-radius: 50%;
}

.score-value {
  position: relative;
  font-family: 'Outfit', sans-serif;
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
}

.score-label {
  position: absolute;
  bottom: 24px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Grilla de Estadísticas */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  display: block;
}
.stat-value.green { color: #059669; }
.stat-value.red { color: #dc2626; }
.stat-value.gray { color: var(--text-muted); }

.stat-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Detalle de Respuestas */
.detail-section {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.detail-item {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 12px;
  background: #ffffff;
}
.detail-item.correct {
  border-color: #86efac;
  background: #f0fdf4;
}
.detail-item.incorrect {
  border-color: #fca5a5;
  background: #fef2f2;
}
.detail-item.skipped {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.detail-q-num {
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.detail-q-text {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 10px;
}

.answer-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  margin-top: 6px;
}

.answer-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}
.answer-indicator.correct-answer { background: #dcfce7; color: #15803d; }
.answer-indicator.given-incorrect { background: #fee2e2; color: #b91c1c; }

/* ==========================================================================
   PANEL ADMINISTRATIVO (LAYOUT, SIDEBAR, TABLAS)
   ========================================================================== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 150;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-header {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}

.nav-item:hover {
  background: var(--bg-subtle);
  color: var(--primary);
}

.nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
}

.admin-main {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.admin-topbar h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
}

.admin-content {
  padding: 24px;
  flex: 1;
}

/* Tarjetas Admin */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
}

.card-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.card-body {
  padding: 20px;
}

/* Barra de búsqueda y filtros */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Tablas */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

th {
  background: var(--bg-subtle);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
  vertical-align: middle;
}

tr:hover td {
  background: var(--bg-hover);
}

/* Badges de Tabla */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-blue { background: #e0f2fe; color: #0284c7; }
.badge-green { background: #dcfce7; color: #15803d; }
.badge-yellow { background: #fef3c7; color: #b45309; }
.badge-purple { background: #f3e8ff; color: #7e22ce; }

/* Dashboard Stats Cards */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--primary-border);
}

.stat-box-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-box-icon.blue { background: #eff6ff; color: #2563eb; }
.stat-box-icon.amber { background: #fffbeb; color: #d97706; }
.stat-box-icon.green { background: #ecfdf5; color: #059669; }
.stat-box-icon.red { background: #fef2f2; color: #dc2626; }

.stat-box-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.stat-box-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  display: block;
}

.stat-box-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

/* ==========================================================================
   MODAL DIALOG (MODERNO PARA AGREGAR / EDITAR PREGUNTAS)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.96) translateY(10px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.modal-overlay.active .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-dialog form {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.modal-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  flex-shrink: 0;
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  background: var(--bg-subtle);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}

.modal-body {
  padding: 18px 22px;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
  max-height: calc(85vh - 130px);
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1.5px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-card);
  flex-shrink: 0;
  box-shadow: 0 -4px 14px rgba(15, 23, 42, 0.05);
}

.modal-footer .btn {
  min-width: 120px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 700;
}

/* Filas de Alternativas en el Dialog */
.modal-alt-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  transition: var(--transition);
}

.modal-alt-row.is-correct {
  border-color: #86efac;
  background: #f0fdf4;
}

.modal-alt-radio {
  margin-top: 8px;
  width: 18px;
  height: 18px;
  accent-color: #10b981;
  cursor: pointer;
}
/* ==========================================================================
   ADMIN LOGIN PAGE & CARD (BUK SAAS STYLE)
   ========================================================================== */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 34px 34px 28px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  position: relative;
  transition: var(--transition);
}

.login-card:hover {
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
}

/* Botón Solicitud de Credenciales por WhatsApp */
.btn-whatsapp-request {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: rgba(37, 211, 102, 0.08);
  border: 1.5px solid rgba(37, 211, 102, 0.35);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn-whatsapp-request:hover {
  background: rgba(37, 211, 102, 0.16);
  border-color: #25d366;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.22);
}

.whatsapp-icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(37, 211, 102, 0.35);
}

.whatsapp-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  min-width: 0;
}

.whatsapp-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

.whatsapp-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: #16a34a;
  margin-top: 2px;
}

[data-theme="dark"] .btn-whatsapp-request,
.dark .btn-whatsapp-request {
  background: rgba(37, 211, 102, 0.12);
  border-color: rgba(37, 211, 102, 0.35);
}

[data-theme="dark"] .whatsapp-sub,
.dark .whatsapp-sub {
  color: #4ade80;
}

/* ==========================================================================
   TEMA OSCURO - BOTÓN CONMUTADOR Y AJUSTES DE COMPONENTES
   ========================================================================== */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-light);
  background: var(--bg-card);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
  box-shadow: var(--shadow-sm);
  -webkit-tap-highlight-color: transparent;
}

.theme-toggle-btn:hover {
  background: var(--bg-subtle);
  color: var(--primary-light);
  border-color: var(--primary-border);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.theme-toggle-btn .theme-icon-sun {
  display: none;
}

.theme-toggle-btn .theme-icon-moon {
  display: inline-flex;
}

[data-theme="dark"] .theme-toggle-btn .theme-icon-sun,
.dark .theme-toggle-btn .theme-icon-sun {
  display: inline-flex;
  color: #fbbf24;
}

[data-theme="dark"] .theme-toggle-btn .theme-icon-moon,
.dark .theme-toggle-btn .theme-icon-moon {
  display: none;
}

/* Botón flotante para Inicio y Login */
.floating-theme-toggle {
  position: fixed;
  top: 18px;
  right: 20px;
  z-index: 999;
}

@media (max-width: 640px) {
  .floating-theme-toggle {
    top: 10px;
    right: 12px;
  }
}

/* Reglas Dark Mode para componentes específicos */
[data-theme="dark"] .bg-animated,
.dark .bg-animated {
  background: 
    radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.16) 0%, transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(16, 185, 129, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(2, 132, 199, 0.12) 0%, transparent 50%),
    #0b0f19;
}

[data-theme="dark"] .exam-header,
.dark .exam-header {
  background: rgba(21, 28, 46, 0.92);
  border-color: var(--border-light);
}

[data-theme="dark"] .form-control,
.dark .form-control {
  background: #0f172a;
  color: #f8fafc;
  border-color: #334155;
}

[data-theme="dark"] .form-control:focus,
.dark .form-control:focus {
  background: #111a2e;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

[data-theme="dark"] .form-control::placeholder,
.dark .form-control::placeholder {
  color: #64748b;
}

[data-theme="dark"] .q-nav-btn.answered,
.dark .q-nav-btn.answered {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(52, 211, 153, 0.4);
  color: #34d399;
}

[data-theme="dark"] .badge-blue, .dark .badge-blue { background: rgba(2, 132, 199, 0.2); color: #38bdf8; }
[data-theme="dark"] .badge-green, .dark .badge-green { background: rgba(16, 185, 129, 0.2); color: #34d399; }
[data-theme="dark"] .badge-yellow, .dark .badge-yellow { background: rgba(217, 119, 6, 0.2); color: #fbbf24; }
[data-theme="dark"] .badge-purple, .dark .badge-purple { background: rgba(126, 34, 206, 0.2); color: #c084fc; }

[data-theme="dark"] tr:hover td,
.dark tr:hover td {
  background: rgba(30, 41, 59, 0.6);
}

[data-theme="dark"] .swal2-popup,
.dark .swal2-popup {
  background: #151c2e !important;
  color: #f8fafc !important;
  border: 1px solid #334155 !important;
}

[data-theme="dark"] .swal2-title,
.dark .swal2-title,
[data-theme="dark"] .swal2-html-container,
.dark .swal2-html-container {
  color: #cbd5e1 !important;
}

/* ==========================================================================
   RESPONSIVE DESIGN (PC, LAPTOP, TABLET, SMARTPHONES)
   ========================================================================== */
@media (max-width: 991px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
  }
  .sidebar-toggle {
    display: inline-flex !important;
  }
  .sidebar-overlay {
    display: block;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.4);
    z-index: 140;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  .sidebar-overlay.active {
    opacity: 1;
    pointer-events: all;
  }
}

@media (max-width: 768px) {
  html { font-size: 14px; }

  .inicio-page { padding: 20px 14px; }
  .card-inicio { padding: 24px 18px; border-radius: var(--radius-md); }
  .logo-text h1 { font-size: 1.5rem; }

  .exam-body { padding: 14px 0 85px; }
  .question-card { padding: 20px 16px; border-radius: var(--radius-md); }
  .question-text { font-size: 0.98rem; margin-bottom: 16px; }
  .alternative-item { padding: 12px 14px; gap: 10px; }
  .alt-letter { min-width: 28px; height: 28px; font-size: 0.75rem; }
  .alt-text { font-size: 0.88rem; }

  .stats-grid { gap: 8px; }
  .stat-card { padding: 12px 8px; }
  .stat-value { font-size: 1.35rem; }

  .admin-content { padding: 16px; }
  .search-bar { flex-direction: column; align-items: stretch; }
  .search-bar select, .search-bar .search-input { width: 100% !important; }
}

@media (max-width: 480px) {
  .info-badges { gap: 6px; }
  .info-badge { padding: 8px 4px; }
  .info-badge .value { font-size: 1.1rem; }
  .info-badge .label { font-size: 0.62rem; }

  .level-selector-grid { gap: 6px; }
  .level-option { padding: 8px 4px; }
  .level-title { font-size: 0.78rem; }
  .level-desc { font-size: 0.62rem; }

  .exam-header-inner { flex-wrap: wrap; gap: 6px; }
  .timer { min-width: 100px; padding: 4px 10px; }
  .timer-display { font-size: 0.92rem; }

  .modal-dialog { max-height: 95vh; }
  .modal-body { padding: 14px 16px; }
}

@media (max-width: 360px) {
  .level-selector-grid { grid-template-columns: 1fr; }
  .level-option { flex-direction: row; justify-content: space-between; padding: 10px 14px; }
  .info-badges { grid-template-columns: 1fr; }
  .info-badge { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; }
  .info-badge .icon-wrap { margin: 0; }
}

/* ==========================================================================
   RESPONSIVE DESIGN (PC, LAPTOPS, TABLETS Y MÓVILES)
   ========================================================================== */

/* 1. PC Y LAPTOPS CON ALTURA DE VENTANA MODERADA (ej: 1366x768 con barras del navegador) */
@media (min-width: 641px) and (max-height: 720px) {
  .inicio-page {
    padding: 10px 16px;
    justify-content: center;
  }
  .inicio-logo {
    margin-bottom: 12px;
    gap: 12px;
  }
  .logo-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }
  .logo-badge svg {
    width: 22px;
    height: 22px;
  }
  .logo-text h1 {
    font-size: 1.45rem;
  }
  .card-inicio {
    padding: 24px 28px 20px;
    max-width: 440px;
  }
  .card-inicio h2 {
    font-size: 1.25rem;
  }
  .info-strip {
    padding: 8px 14px;
    margin-bottom: 12px;
  }
  .info-strip-item {
    font-size: 0.8rem;
  }
  .form-group {
    margin-bottom: 12px;
  }
  .level-selector-compact {
    margin-bottom: 14px;
    gap: 8px;
  }
  .level-tab {
    padding: 8px 6px;
  }
  .level-tab .tab-title {
    font-size: 0.82rem;
  }
  .btn-start-exam {
    padding: 12px 20px;
    font-size: 0.98rem;
  }
  .osce-footer {
    margin-top: 10px !important;
  }
}

/* 2. MÓVILES Y TABLETS (ancho <= 640px) */
@media (max-width: 640px) {
  .inicio-page {
    padding: 12px 14px;
    min-height: 100vh;
    justify-content: center;
  }
  .inicio-logo {
    margin-bottom: 10px;
    gap: 10px;
  }
  .logo-badge {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }
  .logo-badge svg {
    width: 19px;
    height: 19px;
  }
  .logo-text h1 {
    font-size: 1.3rem;
  }
  .logo-text p {
    font-size: 0.65rem;
  }
  .card-inicio {
    padding: 16px 16px;
    border-radius: var(--radius-md);
    width: 100%;
    max-width: 100%;
  }
  .card-inicio h2 {
    font-size: 1.15rem;
  }
  .info-strip {
    margin-bottom: 10px;
    padding: 6px 10px;
  }
  .info-strip-item {
    font-size: 0.74rem;
    gap: 5px;
  }
  .info-strip-item svg {
    width: 15px;
    height: 15px;
  }
  .form-group {
    margin-bottom: 10px;
  }
  .form-group label {
    margin-bottom: 4px;
    font-size: 0.8rem;
  }
  .form-control {
    padding: 10px 12px;
    font-size: 0.92rem;
  }
  .level-selector-compact {
    grid-template-columns: repeat(3, 1fr) !important;
    margin-bottom: 12px;
    gap: 6px;
  }
  .level-tab {
    padding: 7px 4px;
  }
  .level-tab .tab-title {
    font-size: 0.78rem;
  }
  .level-tab .tab-sub {
    font-size: 0.65rem;
  }
  .btn-start-exam {
    padding: 11px 18px;
    font-size: 0.95rem;
  }
  .osce-footer {
    margin-top: 10px !important;
    font-size: 0.74rem;
  }
}

/* 3. MÓVILES PEQUEÑOS O PANTALLAS CON ALTURA MUY REDUCIDA (<= 420px ancho o <= 520px alto) */
@media (max-width: 420px), (max-height: 520px) and (max-width: 640px) {
  .inicio-page {
    padding: 6px 10px;
  }
  .inicio-logo {
    margin-bottom: 6px;
  }
  .card-inicio {
    padding: 12px 14px;
  }
  .card-inicio h2 {
    font-size: 1.08rem;
  }
  .info-strip {
    margin-bottom: 8px;
    padding: 5px 8px;
  }
  .info-strip-item {
    font-size: 0.7rem;
    gap: 4px;
  }
  .info-strip-item svg {
    width: 13px;
    height: 13px;
  }
  .form-group {
    margin-bottom: 8px;
  }
  .form-control {
    padding: 8px 10px;
    font-size: 0.88rem;
  }
  .level-selector-compact {
    margin-bottom: 10px;
    gap: 5px;
  }
  .level-tab {
    padding: 5px 3px;
  }
  .level-tab .tab-title {
    font-size: 0.74rem;
  }
  .level-tab .tab-sub {
    font-size: 0.6rem;
  }
  .btn-start-exam {
    padding: 10px 14px;
    font-size: 0.9rem;
  }
}


/* ==========================================================================
   v2 · MODALIDAD (CON / SIN AYUDA), CATEGORÍA Y AJUSTES RESPONSIVE
   ========================================================================== */

/* ---- Utilidades compartidas ---- */
[hidden] { display: none !important; }

.alert {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
}
.alert svg { flex-shrink: 0; margin-top: 1px; }
.alert-danger  { background: var(--accent-red-soft); color: #b91c1c; border-color: var(--accent-red-border); }
.alert-warning { background: var(--accent-amber-soft); color: #b45309; border-color: #fcd34d; }
[data-theme="dark"] .alert-danger, .dark .alert-danger { color: #fca5a5; }
[data-theme="dark"] .alert-warning, .dark .alert-warning { color: #fcd34d; border-color: rgba(251, 191, 36, 0.35); }
.alert-inicio { margin-bottom: 12px; padding: 8px 12px; font-size: 0.8rem; }

.loading-spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: girar 0.7s linear infinite;
  display: inline-block;
}
@keyframes girar { to { transform: rotate(360deg); } }

.badge-gray { background: var(--bg-subtle); color: var(--text-muted); }
.badge-red  { background: #fee2e2; color: #b91c1c; }
[data-theme="dark"] .badge-red, .dark .badge-red { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* ---- Pantalla de inicio ---- */
.inicio-page { min-height: 100vh; min-height: 100dvh; }
.card-inicio { max-width: 480px; }

.card-inicio-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.label-row {
  display: flex !important;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.label-hint { font-size: 0.72rem; color: var(--text-muted); font-weight: 500; }
.req { color: #ef4444; }

.inicio-nota {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.35;
}

/* Selector de modalidad */
.modo-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.modo-option,
.form-group .modo-option {
  margin-bottom: 0;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px;
  background: var(--bg-subtle);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.modo-option input { position: absolute; opacity: 0; pointer-events: none; }
.modo-option:hover { border-color: var(--primary-border); }
.modo-option.active {
  background: var(--primary-soft);
  border-color: var(--primary-light);
  box-shadow: 0 0 0 1px var(--primary-light), 0 2px 8px rgba(37, 99, 235, 0.12);
}
.modo-option:focus-within { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.modo-icon { font-size: 1.15rem; line-height: 1.2; flex-shrink: 0; }
.modo-body { display: flex; flex-direction: column; min-width: 0; }
.modo-title { font-size: 0.86rem; font-weight: 800; color: var(--text-main); }
.modo-desc { font-size: 0.7rem; color: var(--text-muted); line-height: 1.3; margin-top: 2px; }

/* Select de categoría */
.form-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 38px;
  cursor: pointer;
  text-overflow: ellipsis;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
[data-theme="dark"] .form-select, .dark .form-select { background-color: #0f172a; }
.form-select option { color: var(--text-main); background: var(--bg-card); }

.level-tab:hover { background: var(--bg-card); }
.level-tab.disabled,
.level-tab.disabled:hover { background: var(--bg-subtle); border-color: var(--border-light); opacity: 0.5; }
.level-tab:focus-within { outline: 2px solid var(--primary-light); outline-offset: 2px; }

/* ---- Examen: cabecera fija compacta ---- */
.exam-top {
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
}
.exam-top .exam-header { position: static; box-shadow: none; padding: 8px 0; }

.exam-header-info { min-width: 0; flex: 1; }
.exam-title-badge { gap: 6px; }
.exam-student {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  margin-top: 2px;
}
.exam-student svg { flex-shrink: 0; }
.exam-student-name { font-weight: 700; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 45%; }
.exam-student-cat { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

.timer-container { flex-shrink: 0; gap: 8px; }
.theme-toggle-sm { width: 34px; height: 34px; }
.timer svg { width: 16px; height: 16px; flex-shrink: 0; }
.timer-libre { border-style: dashed; }

[data-theme="dark"] .timer.warning, .dark .timer.warning { background: rgba(245, 158, 11, 0.15); }
[data-theme="dark"] .timer.danger,  .dark .timer.danger  { background: rgba(239, 68, 68, 0.15); }

.progress-score { display: inline-flex; gap: 10px; }
.score-ok  { color: #059669; }
.score-bad { color: #dc2626; }
[data-theme="dark"] .score-ok, .dark .score-ok { color: #34d399; }
[data-theme="dark"] .score-bad, .dark .score-bad { color: #f87171; }

/* Barra de números: centrada si cabe, desplazable si no */
.question-nav { scrollbar-width: none; }
.question-nav::-webkit-scrollbar { display: none; }
.question-nav-inner { margin: 0 auto; width: max-content; padding: 0 12px; }
.q-nav-btn { font-family: inherit; }
.q-nav-btn:hover { background: var(--bg-card); }
.q-nav-btn.correct { background: #dcfce7; border-color: #86efac; color: #15803d; }
.q-nav-btn.wrong   { background: #fee2e2; border-color: #fca5a5; color: #b91c1c; }
[data-theme="dark"] .q-nav-btn.correct, .dark .q-nav-btn.correct { background: rgba(16, 185, 129, 0.2); border-color: rgba(52, 211, 153, 0.4); color: #34d399; }
[data-theme="dark"] .q-nav-btn.wrong,   .dark .q-nav-btn.wrong   { background: rgba(239, 68, 68, 0.2); border-color: rgba(248, 113, 113, 0.4); color: #f87171; }
.q-nav-btn.active,
.q-nav-btn.active.answered { background: var(--primary); border-color: var(--primary); color: #ffffff; }

/* ---- Examen: tarjeta de pregunta ---- */
.exam-body { padding: 18px 0 calc(84px + env(safe-area-inset-bottom, 0px)); }

.question-number {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}
.qn-of { color: var(--text-muted); font-weight: 500; }
.qn-cat {
  flex-basis: 100%;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-light);
}

.alternative-item {
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  align-items: center;
}
.alternative-item:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.alternative-item:disabled { cursor: default; }
.alternatives-list.locked .alternative-item { cursor: default; transform: none; }
.alternatives-list.locked .alternative-item:not(.correct):not(.wrong) { opacity: 0.6; }

.alternative-item.correct {
  border-color: #10b981;
  background: #ecfdf5;
  box-shadow: 0 0 0 1px #10b981;
}
.alternative-item.correct .alt-letter { background: #10b981; border-color: #10b981; color: #ffffff; }
.alternative-item.wrong {
  border-color: #ef4444;
  background: #fef2f2;
  box-shadow: 0 0 0 1px #ef4444;
}
.alternative-item.wrong .alt-letter { background: #ef4444; border-color: #ef4444; color: #ffffff; }
[data-theme="dark"] .alternative-item.correct, .dark .alternative-item.correct { background: rgba(16, 185, 129, 0.14); }
[data-theme="dark"] .alternative-item.wrong,   .dark .alternative-item.wrong   { background: rgba(239, 68, 68, 0.14); }
[data-theme="dark"] .alternative-item:hover .alt-letter,
.dark .alternative-item:hover .alt-letter { background: var(--primary-soft); border-color: var(--primary-border); color: var(--primary-light); }
.alternatives-list.locked .alternative-item:hover { transform: none; }

/* Explicación en modo con ayuda */
.feedback-box {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-light);
  background: var(--bg-subtle);
  animation: fadeIn 0.25s ease;
}
.feedback-box.correct { border-color: var(--accent-mint-border); background: var(--accent-mint-soft); }
.feedback-box.wrong   { border-color: var(--accent-red-border); background: var(--accent-red-soft); }
.feedback-title { font-weight: 800; font-size: 0.92rem; margin-bottom: 6px; }
.feedback-box.correct .feedback-title { color: #047857; }
.feedback-box.wrong .feedback-title   { color: #b91c1c; }
[data-theme="dark"] .feedback-box.correct .feedback-title, .dark .feedback-box.correct .feedback-title { color: #34d399; }
[data-theme="dark"] .feedback-box.wrong .feedback-title,   .dark .feedback-box.wrong .feedback-title   { color: #f87171; }
.feedback-text { font-size: 0.88rem; line-height: 1.55; color: var(--text-secondary); white-space: pre-line; }

/* ---- Examen: pie fijo ---- */
.exam-footer-inner { max-width: 760px; }
.exam-footer-inner .btn { white-space: nowrap; }
.btn-nav { min-width: 112px; }
.btn-nav:disabled { opacity: 0.35; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-finalizar { flex: 0 1 auto; }
.footer-count { font-weight: 600; opacity: 0.9; }
[data-theme="dark"] .exam-sticky-footer, .dark .exam-sticky-footer { background: rgba(21, 28, 46, 0.95); }
[data-theme="dark"] .exam-progress, .dark .exam-progress,
[data-theme="dark"] .question-nav, .dark .question-nav { background: var(--bg-card); }
[data-theme="dark"] .btn-secondary:hover, .dark .btn-secondary:hover { background: #334155; }

/* ---- Resultados ---- */
.resultado-categoria { margin-top: 6px; font-size: 0.82rem; font-weight: 600; color: var(--primary-light); }
.resultado-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.detail-q-num { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.detail-q-cat { color: var(--text-muted); font-weight: 600; }
.answer-indicator.given-correct { background: #dcfce7; color: #15803d; }

[data-theme="dark"] .stat-card, .dark .stat-card,
[data-theme="dark"] .detail-section, .dark .detail-section,
[data-theme="dark"] .detail-item, .dark .detail-item { background: var(--bg-card); }
[data-theme="dark"] .detail-item.correct, .dark .detail-item.correct { background: rgba(16, 185, 129, 0.1); border-color: rgba(52, 211, 153, 0.35); }
[data-theme="dark"] .detail-item.incorrect, .dark .detail-item.incorrect { background: rgba(239, 68, 68, 0.1); border-color: rgba(248, 113, 113, 0.35); }
[data-theme="dark"] .detail-item.skipped, .dark .detail-item.skipped { background: var(--bg-subtle); border-color: var(--border-light); }
[data-theme="dark"] .score-circle::before, .dark .score-circle::before { background: var(--bg-card); }
[data-theme="dark"] .score-circle, .dark .score-circle { background: conic-gradient(#10b981 var(--score-deg, 0deg), #283548 var(--score-deg, 0deg)); }
[data-theme="dark"] .score-circle.desaprobado, .dark .score-circle.desaprobado { background: conic-gradient(#ef4444 var(--score-deg, 0deg), #283548 var(--score-deg, 0deg)); }
[data-theme="dark"] .answer-text strong, .dark .answer-text strong { filter: brightness(1.5); }

/* ---- Pantallas táctiles: sin efectos hover que "se pegan" ---- */
@media (hover: none) {
  .alternative-item:hover { transform: none; background: var(--bg-card); border-color: var(--border-light); }
  .alternative-item:hover .alt-letter { background: var(--bg-subtle); color: var(--text-secondary); border-color: var(--border-light); }
  .alternative-item.selected:hover { background: var(--primary-soft); border-color: var(--primary-light); }
  .alternative-item.selected:hover .alt-letter { background: var(--primary-light); color: #ffffff; border-color: var(--primary-light); }
  .alternative-item.correct:hover { background: #ecfdf5; border-color: #10b981; }
  .alternative-item.correct:hover .alt-letter { background: #10b981; color: #ffffff; border-color: #10b981; }
  .alternative-item.wrong:hover { background: #fef2f2; border-color: #ef4444; }
  .alternative-item.wrong:hover .alt-letter { background: #ef4444; color: #ffffff; border-color: #ef4444; }
  [data-theme="dark"] .alternative-item.correct:hover, .dark .alternative-item.correct:hover { background: rgba(16, 185, 129, 0.14); }
  [data-theme="dark"] .alternative-item.wrong:hover, .dark .alternative-item.wrong:hover { background: rgba(239, 68, 68, 0.14); }
  .btn:hover, .btn-start-exam:hover, .theme-toggle-btn:hover { transform: none; }
}

/* ---- PC grande: más aire y lectura cómoda ---- */
@media (min-width: 1024px) {
  .container-sm { max-width: 820px; }
  .exam-footer-inner { max-width: 820px; }
  .question-card { padding: 32px 34px; }
  .question-text { font-size: 1.1rem; }
}

/* ---- Tablets y móviles (≤ 768px) ---- */
@media (max-width: 768px) {
  .exam-title { font-size: 0.92rem; }
  .exam-student-name { max-width: 55%; }
  .exam-body { padding-top: 12px; }
  .feedback-box { padding: 12px 14px; }
  .detail-section { padding: 16px 12px; }
  .detail-item { padding: 12px; }
}

/* ---- Móviles (≤ 640px) ---- */
@media (max-width: 640px) {
  .container { padding: 0 12px; }
  .container-sm { padding: 0 10px; }

  .exam-header-inner { flex-wrap: nowrap; gap: 8px; }
  .exam-title { display: none; }
  .exam-student { font-size: 0.72rem; }
  .exam-student-cat { display: none; }
  .exam-student-name { max-width: 100%; }
  .theme-toggle-sm { width: 32px; height: 32px; }
  .timer { min-width: 0; padding: 5px 10px; gap: 5px; }
  .timer-display { font-size: 0.95rem; }
  .exam-progress { padding: 6px 0; }
  .question-nav { padding: 6px 0; }
  .q-nav-btn { width: 34px; height: 34px; }

  .question-card { padding: 16px 14px; }
  .question-text { font-size: 0.97rem; line-height: 1.55; }
  .alternative-item { padding: 12px; gap: 10px; min-height: 48px; }

  .exam-sticky-footer { padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px)); }
  .exam-footer-inner { gap: 8px; }
  .btn-nav { min-width: 0; padding: 10px 12px; }
  .btn-finalizar { flex: 1; padding: 10px 12px; }

  .modo-desc { font-size: 0.68rem; }

  .resultado-page { padding: 18px 10px 40px; }
  .resultado-title { font-size: 1.5rem; }
  .resultado-actions .btn { flex: 1 1 100%; }
  .stats-grid { gap: 6px; }
  .stat-label { font-size: 0.64rem; }
}

/* ---- Móviles pequeños (≤ 380px) ---- */
@media (max-width: 380px) {
  .btn-nav .btn-label { display: none; }
  .btn-nav { padding: 10px 14px; }



  .exam-title-badge .badge { font-size: 0.66rem; padding: 2px 6px; }
  .score-circle { width: 120px; height: 120px; }
  .score-circle::before { width: 96px; height: 96px; }
  .score-label { bottom: 18px; }
}

/* ---- Móvil en horizontal (poca altura) ---- */
@media (max-height: 500px) and (orientation: landscape) {
  .exam-top { position: static; }
  .exam-body { padding-top: 10px; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

/* ---- Móviles muy angostos (≤ 340px) ---- */
@media (max-width: 340px) {
  .modo-selector { grid-template-columns: 1fr; }
  .form-group .modo-option { padding: 8px 10px; align-items: center; }
}

.feedback-answer { font-size: 0.9rem; line-height: 1.5; color: var(--text-main); }
.feedback-answer strong { color: #047857; }
[data-theme="dark"] .feedback-answer strong, .dark .feedback-answer strong { color: #34d399; }
.feedback-answer + .feedback-text {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-light);
}
.feedback-box { scroll-margin-bottom: calc(90px + env(safe-area-inset-bottom, 0px)); scroll-margin-top: 170px; }

/* ---- Cierre del examen ---- */
.fin-card {
  margin-top: 16px;
  padding: 24px 20px;
  text-align: center;
  background: var(--bg-card);
  border: 1.5px solid var(--primary-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  animation: fadeIn 0.3s ease;
  scroll-margin-bottom: calc(90px + env(safe-area-inset-bottom, 0px));
}
.fin-icon { font-size: 2rem; line-height: 1; margin-bottom: 8px; }
.fin-card h3 { font-family: 'Outfit', sans-serif; font-size: 1.25rem; font-weight: 800; color: var(--text-main); }
.fin-card p { font-size: 0.9rem; color: var(--text-secondary); margin: 6px 0 16px; }
.fin-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.btn-salir:hover { color: var(--accent-red); border-color: var(--accent-red-border); }
@media (max-width: 640px) {
  .fin-card { padding: 18px 14px; }
  .fin-actions .btn { flex: 1 1 100%; }
}


/* ==========================================================================
   COLABORADORES (admin y pie público)
   ========================================================================== */

/* ---- Admin ---- */
.colab-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 18px;
}

.colab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.colab-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.colab-card.inactivo { opacity: 0.6; }
.colab-card-top { display: flex; align-items: center; gap: 12px; min-width: 0; }
.colab-card-info { min-width: 0; }
.colab-nombre { font-weight: 800; font-size: 0.95rem; color: var(--text-main); line-height: 1.25; }
.colab-badges { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.colab-exp {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.colab-exp em { color: var(--text-muted); }
.colab-actions { display: flex; gap: 8px; }
.colab-actions .btn { flex: 1; }

.colab-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--primary-border);
  background: var(--bg-subtle);
}
.colab-avatar-ini {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-soft);
}

/* Modal */
.colab-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.colab-modal[hidden] { display: none !important; }
.colab-modal-box {
  width: 100%;
  max-width: 540px;
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  animation: fadeIn 0.2s ease;
}
.colab-modal-box form { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.colab-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
}
.colab-modal-header h3 { font-size: 1.05rem; font-weight: 800; color: var(--text-main); }
.colab-modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
}
.colab-modal-close:hover { background: var(--bg-subtle); color: var(--text-main); }
.colab-modal-body { padding: 16px 18px; overflow-y: auto; }
.colab-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--border-light);
}

.colab-foto-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.colab-foto-preview {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px dashed var(--border-light);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-muted);
}
.colab-foto-preview img { width: 100%; height: 100%; object-fit: cover; }
.colab-foto-ctrl { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.colab-foto-ctrl label.btn { margin: 0; cursor: pointer; }
.colab-foto-ctrl small { flex-basis: 100%; font-size: 0.72rem; color: var(--text-muted); }

.colab-form-row { display: grid; grid-template-columns: 1fr 110px; gap: 12px; }
.colab-check { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); cursor: pointer; }
.colab-check input { width: 17px; height: 17px; accent-color: var(--primary-light); }

[data-theme="dark"] textarea.form-control, .dark textarea.form-control { background: #0f172a; color: #f8fafc; border-color: #334155; }

@media (max-width: 480px) {
  .colab-grid { grid-template-columns: 1fr; }
  .colab-form-row { grid-template-columns: 1fr 90px; }
  .colab-modal { padding: 0; align-items: flex-end; }
  .colab-modal-box { max-width: 100%; max-height: 92dvh; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
  .colab-modal-footer { padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px)); }
  .colab-modal-footer .btn { flex: 1; }
}

/* ---- Pie público ---- */
.colab-footer {
  width: 100%;
  max-width: 760px;
  margin: 22px auto 0;
  text-align: center;
  position: relative;
  z-index: 1;
}
.colab-footer-title {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.colab-footer-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 18px;
}
.colab-footer-item {
  width: 84px;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.colab-footer-item img,
.colab-footer-ini {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--bg-card);
  box-shadow: 0 0 0 2px var(--primary-border), var(--shadow-sm);
  background: var(--bg-subtle);
}
.colab-footer-ini {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--primary);
  background: var(--primary-soft);
}
.colab-footer-item figcaption {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.25;
  word-break: break-word;
}

@media (max-width: 480px) {
  .colab-footer { margin-top: 16px; }
  .colab-footer-list { gap: 12px; }
  .colab-footer-item { width: 72px; }
  .colab-footer-item img, .colab-footer-ini { width: 48px; height: 48px; }
}

/* ---- Pie de colaboradores rotativo ---- */
.colab-footer-list { flex-wrap: nowrap; overflow: hidden; }
.colab-footer-item[hidden] { display: none !important; }
.colab-footer-list.colab-fade .colab-footer-item { animation: colabEntra 0.5s ease both; }
@keyframes colabEntra {
  from { opacity: 0; transform: translateY(6px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}
.colab-footer-dots { display: flex; justify-content: center; gap: 6px; margin-top: 10px; }
.colab-footer-dots[hidden] { display: none; }
.colab-footer-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--border-light);
  cursor: pointer;
  transition: var(--transition);
}
.colab-footer-dots button.active { background: var(--primary-light); width: 18px; border-radius: 4px; }

/* ---- Buscador y paginador del admin ---- */
.admin-buscador {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.admin-buscador-input { position: relative; flex: 1 1 260px; max-width: 480px; }
.admin-buscador-input svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.admin-buscador-input .form-control { padding-left: 36px; }
.admin-buscador select.form-control { width: auto; min-width: 150px; }
.admin-buscador-total { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; margin-left: auto; }
.paginador {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.paginador-info { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }
.paginador-links { display: flex; flex-wrap: wrap; gap: 6px; }
@media (max-width: 480px) {
  .paginador { justify-content: center; }
  .paginador-txt { display: none; }
  .admin-buscador-total { margin-left: 0; flex-basis: 100%; }
}


/* ==========================================================================
   USUARIOS, PERFILES Y CUENTA DEL ESTUDIANTE
   ========================================================================== */
.alert-success { background: var(--accent-mint-soft); color: #047857; border-color: var(--accent-mint-border); }
[data-theme="dark"] .alert-success, .dark .alert-success { color: #6ee7b7; }

/* ---- Barra de cuenta en el inicio ---- */
.cuenta-bar {
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-bottom: 10px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}
.cuenta-hola { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cuenta-links { display: flex; gap: 12px; flex-wrap: wrap; }
.cuenta-links a { color: var(--primary-light); font-weight: 700; text-decoration: none; }
.cuenta-links a:hover { text-decoration: underline; }
.cuenta-links a.cuenta-destacado { background: var(--primary-soft); padding: 2px 10px; border-radius: var(--radius-pill); }

/* ---- Login / registro ---- */
.acceso-tabs {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 14px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
}
.acceso-tab {
  text-align: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
}
.acceso-tab.active { background: var(--bg-card); color: var(--primary); box-shadow: var(--shadow-sm); }
.acceso-sub { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.4; }
.acceso-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.acceso-link { color: var(--primary-light); font-weight: 700; text-decoration: none; }
.acceso-link:hover { text-decoration: underline; }
a.logo-badge { text-decoration: none; }
@media (max-width: 420px) {
  .acceso-fila { grid-template-columns: 1fr; }
}

/* ---- Mis exámenes ---- */
.historial-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.historial-titulo { font-family: 'Outfit', sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--text-main); }
.historial-sub { font-size: 0.85rem; color: var(--text-muted); }
.historial-acciones { display: flex; gap: 8px; align-items: center; }
.historial-stats { grid-template-columns: repeat(4, 1fr); }
.historial-lista { display: flex; flex-direction: column; gap: 10px; }
.historial-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.historial-puntaje {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
}
.historial-puntaje.ok { background: var(--accent-mint-soft); color: #059669; }
.historial-puntaje.mal { background: var(--accent-red-soft); color: #dc2626; }
.historial-puntaje.pendiente { background: var(--bg-subtle); color: var(--text-muted); }
.historial-info { flex: 1; min-width: 0; }
.historial-cat { font-weight: 700; color: var(--text-main); font-size: 0.92rem; }
.historial-meta { font-size: 0.76rem; color: var(--text-muted); margin-top: 2px; }
@media (max-width: 640px) {
  .historial-stats { grid-template-columns: repeat(2, 1fr); }
  .historial-titulo { font-size: 1.35rem; }
}

/* ---- Admin: usuarios ---- */
.usuarios-resumen {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.usuarios-resumen-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}
.usuarios-resumen-item.active { border-color: var(--primary-light); box-shadow: 0 0 0 1px var(--primary-light); }
.usuarios-resumen-num { font-family: 'Outfit', sans-serif; font-size: 1.3rem; font-weight: 800; color: var(--text-main); }
.usuarios-registro {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.usuarios-registro input { position: absolute; opacity: 0; pointer-events: none; }
.switch {
  width: 38px;
  height: 22px;
  border-radius: 11px;
  background: var(--border-light);
  position: relative;
  flex-shrink: 0;
  transition: var(--transition);
}
.switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
}
.usuarios-registro input:checked + .switch { background: #10b981; }
.usuarios-registro input:checked + .switch::after { left: 19px; }
.usuarios-registro input:focus-visible + .switch { outline: 2px solid var(--primary-light); outline-offset: 2px; }

.usuario-nombre { font-weight: 700; color: var(--text-main); font-size: 0.9rem; }
.usuario-sub { font-size: 0.75rem; color: var(--text-muted); }
.fila-inactiva td { opacity: 0.6; }
.permisos-card { margin-top: 18px; }
.permisos-card h3 { font-size: 0.95rem; font-weight: 800; color: var(--text-main); margin-bottom: 10px; }
.permisos-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.permisos-card li { font-size: 0.84rem; color: var(--text-secondary); line-height: 1.5; }
.permisos-card li .badge { margin-right: 6px; }
.colab-form-row-2 { grid-template-columns: 1fr 1fr; }

/* Tabla de usuarios como tarjetas en móvil */
@media (max-width: 640px) {
  .usuarios-registro { margin-left: 0; flex-basis: 100%; }
  .colab-form-row-2 { grid-template-columns: 1fr; }
  .tabla-usuarios thead { display: none; }
  .tabla-usuarios, .tabla-usuarios tbody, .tabla-usuarios tr, .tabla-usuarios td { display: block; width: 100%; }
  .tabla-usuarios tr { padding: 12px 14px; border-bottom: 1px solid var(--border-light); }
  .tabla-usuarios td { padding: 3px 0 !important; border: none !important; text-align: left !important; }
  .tabla-usuarios td[data-label="Exámenes"]::before,
  .tabla-usuarios td[data-label="Último ingreso"]::before {
    content: attr(data-label) ': ';
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
  }
  .tabla-usuarios td[data-label="Acciones"] > div { justify-content: flex-start !important; margin-top: 6px; }
}

/* ---- Admin: mi perfil ---- */
.perfil-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  align-items: start;
}
.perfil-pass { margin-top: 6px; padding-top: 12px; border-top: 1px dashed var(--border-light); }
.perfil-pass-titulo { font-size: 0.85rem; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
.perfil-acciones { grid-column: 1 / -1; display: flex; justify-content: flex-end; }
@media (max-width: 480px) {
  .perfil-grid { grid-template-columns: 1fr; }
  .perfil-acciones .btn { width: 100%; }
}
@media (max-width: 640px) {
  .usuarios-resumen-item { flex: 1 1 0; min-width: 0; flex-direction: column; gap: 2px; padding: 8px 6px; text-align: center; }
  .usuarios-resumen-item .badge { font-size: 0.62rem; padding: 2px 6px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
}

/* ==========================================================================
   APARIENCIA: posición del inicio de sesión
   ========================================================================== */
.apariencia-opciones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.apariencia-opcion {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  cursor: pointer;
  transition: var(--transition);
  margin: 0 !important;
}
.apariencia-opcion input { position: absolute; opacity: 0; pointer-events: none; }
.apariencia-opcion:hover { border-color: var(--primary-border); }
.apariencia-opcion.active { border-color: var(--primary-light); background: var(--primary-soft); box-shadow: 0 0 0 1px var(--primary-light); }
.apariencia-opcion:focus-within { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.apariencia-mini {
  width: 100%;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--bg-card), var(--border-light));
  border: 1px solid var(--border-light);
}
.apariencia-mini span { width: 30%; height: 70%; border-radius: 4px; background: var(--primary-light); opacity: 0.85; }
.apariencia-mini-izquierda { justify-content: flex-start; }
.apariencia-mini-centro { justify-content: center; }
.apariencia-mini-derecha { justify-content: flex-end; }
.apariencia-nombre { font-size: 0.82rem; font-weight: 700; color: var(--text-main); }
.apariencia-links { margin-top: 12px; font-size: 0.8rem; color: var(--text-secondary); }
.apariencia-links a { color: var(--primary-light); font-weight: 700; text-decoration: none; }


/* ==========================================================================
   TEMA DE COLOR: los acentos usan las variables de Apariencia
   ========================================================================== */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-light) 100%);
  color: var(--primary-text, #ffffff);
  box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 6px 18px var(--primary-glow); }
.logo-badge {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary-light) 100%);
  color: var(--primary-text, #ffffff);
  box-shadow: 0 6px 18px var(--primary-glow);
}
.logo-badge svg { stroke: currentColor; }
.btn-start-exam { box-shadow: 0 6px 20px var(--primary-glow); }
.btn-start-exam:hover { box-shadow: 0 8px 25px var(--primary-glow); }
.progress-bar-fill { background: linear-gradient(90deg, var(--primary-light) 0%, #10b981 100%); }
.q-nav-btn.active, .q-nav-btn.active.answered { box-shadow: 0 2px 8px var(--primary-glow); }
.alternative-item.selected { box-shadow: 0 0 0 1px var(--primary-light), 0 4px 12px var(--primary-glow); }
.alternative-item.selected .alt-letter { box-shadow: 0 2px 6px var(--primary-glow); color: var(--primary-text, #ffffff); }
.alternative-item:hover .alt-letter { background: var(--primary-soft); color: var(--primary); border-color: var(--primary-border); }
.level-tab.active, .modo-option.active, .apariencia-opcion.active {
  box-shadow: 0 0 0 1px var(--primary-light), 0 2px 8px var(--primary-glow);
}
.bg-animated {
  background:
    radial-gradient(circle at 10% 10%, var(--primary-glow) 0%, transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 40%),
    var(--bg-page);
}

/* ==========================================================================
   LOGIN EN DOS PANELES: marca (color del tema) + formulario
   ========================================================================== */
.auth-body { min-height: 100vh; background: var(--bg-page); }
.auth { display: flex; min-height: 100vh; min-height: 100dvh; }

.auth-logo { width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; }
.auth-logo svg { width: 23px; height: 23px; }

.auth-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  flex: 0 0 46%;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 3rem;
  background: var(--hero-bg);
  color: var(--hero-text);
}
/* Cuadrícula sutil y halo del color principal */
.auth-hero::before,
.auth-centro .auth-main::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(var(--hero-line) 1px, transparent 1px), linear-gradient(90deg, var(--hero-line) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: linear-gradient(160deg, #000 30%, transparent 85%);
  mask-image: linear-gradient(160deg, #000 30%, transparent 85%);
}
.auth-hero::after,
.auth-centro .auth-main::after {
  content: '';
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 520px;
  right: -180px;
  bottom: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-light) 0%, transparent 65%);
  opacity: 0.35;
}
.auth-hero-top { display: flex; align-items: center; gap: 14px; color: var(--hero-title); }
.auth-hero-top strong { display: block; font-family: 'Outfit', sans-serif; font-size: 1.15rem; letter-spacing: 0.02em; }
.auth-hero-top small { display: block; font-size: 0.75rem; color: var(--hero-muted); }
.auth-hero-body { max-width: 440px; padding: 3rem 0; }
.auth-hero-body h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--hero-title);
  margin-bottom: 0.9rem;
}
.auth-hero-body > p { font-size: 1rem; opacity: 0.9; margin-bottom: 2rem; line-height: 1.5; }
.auth-features { list-style: none; display: grid; gap: 1.1rem; }
.auth-features li { display: flex; gap: 0.9rem; align-items: flex-start; font-size: 0.88rem; line-height: 1.45; }
.auth-features li strong { display: block; color: var(--hero-title); font-size: 0.95rem; margin-bottom: 2px; }
.auth-features li > span {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary-text, #ffffff);
}
.auth-hero-foot { font-size: 0.75rem; color: var(--hero-muted); }

.auth-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem;
  background: var(--bg-page);
}
.auth-box { width: 100%; max-width: 400px; margin: auto 0; }
.auth-box-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 1.6rem; }
.auth-brand-sm { display: none; align-items: center; gap: 12px; color: var(--text-main); text-decoration: none; min-width: 0; }
.auth-brand-sm strong { display: block; font-family: 'Outfit', sans-serif; font-size: 1.05rem; color: var(--primary); }
.auth-brand-sm small { display: block; font-size: 0.72rem; color: var(--text-muted); }
.auth-tema { margin-left: auto; }
.auth-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.auth-sub { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.92rem; }
.auth-box .acceso-tabs { margin-top: 0.6rem; }
.auth-box .form-group label { color: var(--text-main); }
.auth-input { position: relative; }
.auth-input > svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.auth-input .form-control { padding-left: 42px; padding-top: 12px; padding-bottom: 12px; border-radius: 10px; background: var(--bg-subtle); }
.auth-input .form-control:focus { background: var(--bg-card); }
.auth-input:focus-within > svg { color: var(--primary-light); }
.auth-input .auth-input-pass { padding-right: 46px; }
.auth-eye {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.auth-eye:hover, .auth-eye.activo { background: var(--bg-subtle); color: var(--primary-light); }
.auth-btn { margin-top: 8px; padding-top: 13px; padding-bottom: 13px; font-size: 1rem; border-radius: 10px; }
.auth-help { margin-top: 1.4rem; font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
.auth-main-foot { font-size: 0.72rem; color: var(--text-muted); margin-top: 1.5rem; text-align: center; }
.auth-main-foot a { color: var(--primary-light); font-weight: 700; text-decoration: none; }
.auth-box .btn-whatsapp-request { margin-top: 16px; }

/* Posición del formulario (Mi perfil › Apariencia) */
.auth-izquierda { flex-direction: row-reverse; }
.auth-centro .auth-hero { display: none; }
.auth-centro .auth-main { position: relative; isolation: isolate; overflow: hidden; background: var(--hero-bg); }
.auth-centro .auth-main::after { width: 640px; height: 640px; right: -200px; bottom: -260px; }
.auth-centro .auth-box {
  max-width: 440px;
  background: var(--bg-card);
  border-radius: 18px;
  padding: 2.25rem 2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}
.auth-centro .auth-brand-sm { display: flex; }
.auth-centro .auth-main-foot { color: var(--hero-muted); }
.auth-centro .auth-main-foot a { color: var(--hero-title); }

/* Tablets y celulares: solo el formulario, con la marca arriba */
@media (max-width: 991px) {
  .auth-hero { display: none; }
  .auth-brand-sm { display: flex; }
  .auth-main { background: linear-gradient(180deg, var(--primary-soft) 0, var(--bg-page) 260px); }
  .auth-centro .auth-main { background: var(--hero-bg); }
}
@media (max-width: 480px) {
  .auth-main { padding: 1.5rem 1rem; justify-content: flex-start; }
  .auth-centro .auth-main { justify-content: center; }
  .auth-centro .auth-box { padding: 1.5rem 1.15rem; }
  .auth-title { font-size: 1.55rem; }
}

/* ---- Apariencia: selector de colores ---- */
.tema-opciones { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.tema-opcion {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  cursor: pointer;
  margin: 0 !important;
  transition: var(--transition);
}
.tema-opcion input { position: absolute; opacity: 0; pointer-events: none; }
.tema-opcion:hover { border-color: var(--primary-border); }
.tema-opcion.active { border-color: var(--primary-light); box-shadow: 0 0 0 1px var(--primary-light); background: var(--primary-soft); }
.tema-opcion:focus-within { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.tema-muestra { display: flex; height: 40px; border-radius: 6px; overflow: hidden; border: 1px solid rgba(0, 0, 0, 0.08); }
.tema-muestra span:first-child { flex: 1; }
.tema-muestra span:last-child { width: 38%; }
.tema-nombre { font-size: 0.76rem; font-weight: 700; color: var(--text-main); line-height: 1.25; }
.tema-personalizado { display: none; margin-top: 12px; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.tema-personalizado.visible { display: flex; }
.tema-personalizado label { display: flex; flex-direction: column; gap: 4px; font-size: 0.78rem; font-weight: 700; color: var(--text-secondary); margin: 0 !important; }
.tema-personalizado input[type="color"] { width: 64px; height: 38px; padding: 2px; border: 1px solid var(--border-light); border-radius: 8px; background: var(--bg-card); cursor: pointer; }
.apariencia-seccion { font-size: 0.85rem; font-weight: 800; color: var(--text-main); margin: 4px 0 10px; }
.apariencia-seccion + .usuario-sub { display: block; margin: -6px 0 10px; }
.apariencia-sep { border: 0; border-top: 1px dashed var(--border-light); margin: 18px 0 14px; }
.apariencia-mini { position: relative; overflow: hidden; }
.apariencia-mini::before { content: ''; position: absolute; inset: 0; width: 45%; background: var(--hero-bg); }
.apariencia-mini-izquierda::before { left: auto; right: 0; }
.apariencia-mini-centro::before { width: 100%; }
.apariencia-mini span { position: relative; background: var(--bg-card); border: 1px solid var(--border-light); opacity: 1; }

/* ==========================================================================
   INICIO CON PANEL DE MARCA (misma apariencia que el login)
   ========================================================================== */
.auth-inicio .inicio-main { justify-content: flex-start; padding: 1.5rem 1.25rem 2rem; }
.auth-inicio .inicio-page { min-height: 0; width: 100%; max-width: 480px; padding: 0; margin: auto 0; justify-content: flex-start; }
.auth-inicio .card-inicio { max-width: 480px; }
/* El panel acompaña mientras se baja por el formulario */
.auth-inicio .auth-hero { position: sticky; top: 0; height: 100vh; height: 100dvh; align-self: flex-start; }

/* Con el panel visible, la marca ya está en él: arriba solo queda el botón de tema */
@media (min-width: 992px) {
  .auth-inicio:not(.auth-centro) .inicio-logo { justify-content: flex-end; margin-bottom: 10px; }
  .auth-inicio:not(.auth-centro) .inicio-logo .logo-badge,
  .auth-inicio:not(.auth-centro) .inicio-logo .logo-text { display: none; }
}

/* Centro: el formulario flota sobre el color del panel */
.auth-centro.auth-inicio .inicio-logo .logo-text h1 { color: var(--hero-title); }
.auth-centro.auth-inicio .inicio-logo .logo-text p,
.auth-centro.auth-inicio .colab-footer-title,
.auth-centro.auth-inicio .osce-footer,
.auth-centro.auth-inicio .osce-footer div,
.auth-centro.auth-inicio .osce-footer a { color: var(--hero-muted) !important; }
.auth-centro.auth-inicio .osce-footer strong,
.auth-centro.auth-inicio .osce-footer strong a,
.auth-centro.auth-inicio .colab-footer-item figcaption { color: var(--hero-title) !important; }
.auth-centro.auth-inicio .card-inicio { box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3); }
@media (max-width: 991px) {
  .auth-inicio .auth-main { background: linear-gradient(180deg, var(--primary-soft) 0, var(--bg-page) 320px); }
  .auth-centro.auth-inicio .auth-main { background: var(--hero-bg); }
}
@media (max-width: 480px) {
  .auth-inicio .inicio-main { padding: 0.75rem 0.6rem 1.5rem; }
}

/* ---- Colaboradores dentro del panel de marca ---- */
.colab-en-panel { max-width: 440px; margin: 1.75rem 0 0; text-align: left; }
.colab-en-panel .colab-footer-title { color: var(--hero-muted); text-align: left; }
.colab-en-panel .colab-footer-list { justify-content: flex-start; }
.colab-en-panel .colab-footer-item figcaption { color: var(--hero-title); }
.colab-en-panel .colab-footer-item img,
.colab-en-panel .colab-footer-ini { border-color: var(--hero-bg); box-shadow: 0 0 0 2px var(--primary-light); }
.colab-en-panel .colab-footer-dots { justify-content: flex-start; }
.colab-en-panel .colab-footer-dots button { background: var(--hero-line); }
.colab-en-panel .colab-footer-dots button.active { background: var(--primary-light); }
.auth-hero:has(.colab-en-panel) .auth-hero-body { padding: 1.75rem 0; }
.auth-hero:has(.colab-en-panel) .auth-hero-body > p { margin-bottom: 1.4rem; }

/* Con el panel visible los colaboradores van en él; si no, debajo del formulario */
@media (min-width: 992px) {
  .auth-inicio:not(.auth-centro) .colab-en-pagina { display: none; }
}


/* ==========================================================================
   DATOS DEL SISTEMA (logo propio, pestañas de configuración)
   ========================================================================== */
/* Logo subido: se muestra sobre blanco dentro del cuadro */
.logo-badge.logo-con-imagen { background: #ffffff; padding: 4px; overflow: hidden; }
.logo-badge.logo-con-imagen img { width: 100%; height: 100%; object-fit: contain; display: block; }
.sidebar-logo { width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; }
.sidebar-logo svg { width: 20px; height: 20px; }
.sidebar-nombre {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pie-copy a { color: var(--primary-light); text-decoration: none; font-weight: 700; }

.sistema-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 18px;
  align-items: start;
}
.sistema-resumen .card-body { text-align: center; }
.sistema-resumen hr { border: 0; border-top: 1px solid var(--border-light); margin: 14px 0 10px; }
.sistema-logo-grande {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin: 4px auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sistema-logo-grande svg { width: 56px; height: 56px; }
.sistema-logo-grande.logo-con-imagen { padding: 8px; border: 1px solid var(--border-light); }
.sistema-resumen-nombre { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.1rem; color: var(--text-main); }
.sistema-resumen-sub { font-size: 0.8rem; color: var(--text-muted); }
.sistema-resumen-fila { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--text-secondary); margin-top: 6px; }

.sistema-tabs-card { overflow: hidden; }
.sistema-tabs {
  display: flex;
  gap: 4px;
  padding: 10px 12px 0;
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
  scrollbar-width: none;
}
.sistema-tabs::-webkit-scrollbar { display: none; }
.sistema-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  bottom: -1px;
}
.sistema-tab:hover { color: var(--text-main); }
.sistema-tab.active {
  background: var(--bg-card);
  color: var(--primary);
  border-color: var(--border-light);
  box-shadow: inset 0 -2px 0 var(--primary-light);
}
.sistema-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.sistema-acciones { display: flex; justify-content: flex-end; margin-top: 8px; }
.sistema-logo-fila { display: flex; align-items: center; gap: 20px; }
.sistema-logo-fila .sistema-logo-grande { margin: 0; flex-shrink: 0; }
.apariencia-seccion .badge { margin-left: 8px; vertical-align: middle; }

@media (max-width: 900px) {
  .sistema-grid { grid-template-columns: 1fr; }
  .sistema-resumen .card-body { display: grid; grid-template-columns: auto 1fr; gap: 0 14px; text-align: left; align-items: center; }
  .sistema-resumen .sistema-logo-grande { width: 72px; height: 72px; border-radius: 16px; margin: 0; grid-row: span 3; }
  .sistema-resumen .sistema-logo-grande svg { width: 34px; height: 34px; }
  .sistema-resumen hr, .sistema-resumen-fila, .sistema-resumen .btn { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .sistema-form-grid { grid-template-columns: 1fr; }
  .sistema-logo-fila { flex-direction: column; align-items: flex-start; }
  .sistema-acciones .btn { width: 100%; }
  .sistema-tab { padding: 9px 11px; font-size: 0.82rem; }
}

/* ---- Menú lateral: la lista se desplaza y "Cerrar sesión" queda siempre visible ---- */
.admin-sidebar { height: 100vh; height: 100dvh; }
.sidebar-header, .sidebar-footer { flex-shrink: 0; }
.sidebar-nav { min-height: 0; overflow-y: auto; scrollbar-width: thin; }
.btn-salir-top { display: inline-flex; align-items: center; gap: 6px; }
@media (max-width: 640px) {
  .btn-salir-top span { display: none; }
  .btn-salir-top { padding: 7px 10px; }
}
.sistema-acciones { align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border-light); }
.sistema-pendiente { font-size: 0.8rem; font-weight: 700; color: var(--accent-amber); }
@media (max-width: 640px) { .sistema-pendiente { flex-basis: 100%; text-align: center; } }

/* ==========================================================================
   INICIO: botón de tema en la esquina y formulario que entra en la pantalla
   ========================================================================== */
.auth-inicio .auth-main { position: relative; }
@media (min-width: 992px) {
  /* Con el panel de marca visible, el botón de tema va arriba a la derecha sin ocupar fila */
  .auth-inicio:not(.auth-centro) .inicio-logo {
    position: absolute;
    top: 14px;
    right: 18px;
    margin: 0;
    z-index: 5;
  }
  .auth-inicio .inicio-main { justify-content: center; padding-top: 1.25rem; padding-bottom: 1.25rem; }
}

/* Pantallas de poca altura (laptops): todo más compacto para que el formulario entre completo */
@media (min-width: 641px) and (max-height: 820px) {
  .auth-inicio .cuenta-bar { margin-bottom: 8px; padding: 6px 14px; }
  .auth-inicio .card-inicio { padding: 16px 22px 14px; }
  .auth-inicio .card-inicio-head { margin-bottom: 8px; }
  .auth-inicio .card-inicio h2 { font-size: 1.15rem; }
  .auth-inicio .info-strip { padding: 6px 12px; margin-bottom: 10px; }
  .auth-inicio .form-group { margin-bottom: 9px; }
  .auth-inicio .form-group label { margin-bottom: 4px; }
  .auth-inicio .form-control { padding: 8px 12px; font-size: 0.9rem; }
  .auth-inicio .modo-option { padding: 7px 9px; }
  .auth-inicio .modo-desc { font-size: 0.66rem; }
  .auth-inicio .level-selector-compact { margin-bottom: 10px; }
  .auth-inicio .level-tab { padding: 6px 4px; }
  .auth-inicio .btn-start-exam { padding: 10px 18px; font-size: 0.95rem; }
  .auth-inicio .inicio-nota { margin-top: 6px; font-size: 0.7rem; }
  .auth-inicio .alert-inicio { margin-bottom: 8px; padding: 6px 10px; }
}
@media (min-width: 641px) and (max-height: 660px) {
  .auth-inicio .modo-desc { display: none; }
  .auth-inicio .modo-option { align-items: center; }
  .auth-inicio .level-tab .tab-sub { display: none; }
  .auth-inicio .inicio-nota { display: none; }
  .auth-inicio .card-inicio-head .badge { display: none; }
}

/* Celulares: el botón de tema sigue junto al logo, con menos espacio arriba */
@media (max-width: 640px) {
  .auth-inicio .inicio-logo { margin-bottom: 8px; }
}
@media (min-width: 992px) {
  .auth-inicio:not(.auth-centro) .inicio-page { position: static; }
}
/* Modo oscuro: halo del panel más suave */
[data-theme="dark"] .auth-hero::after,
[data-theme="dark"] .auth-centro .auth-main::after,
.dark .auth-hero::after { opacity: 0.18; }

/* ==========================================================================
   BARRA SUPERIOR DEL PANEL: una acción por página, tema y menú del usuario
   ========================================================================== */
.topbar-right { display: flex; align-items: center; gap: 10px; }
.topbar-accion { display: inline-flex; align-items: center; gap: 6px; }

.usuario-menu { position: relative; }
.usuario-menu-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  color: var(--text-main);
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
}
.usuario-menu-btn:hover, .usuario-menu-btn[aria-expanded="true"] { border-color: var(--primary-border); background: var(--bg-subtle); }
.usuario-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  background: var(--primary-light);
  color: var(--primary-text, #ffffff);
  flex-shrink: 0;
}
.usuario-menu-texto { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; max-width: 150px; }
.usuario-menu-texto strong { font-size: 0.8rem; max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.usuario-menu-texto small { font-size: 0.68rem; color: var(--text-muted); }
.usuario-menu-flecha { color: var(--text-muted); transition: transform 0.2s ease; }
.usuario-menu-btn[aria-expanded="true"] .usuario-menu-flecha { transform: rotate(180deg); }

.usuario-menu-lista {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 210px;
  padding: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  z-index: 200;
  animation: fadeIn 0.15s ease;
}
.usuario-menu-lista[hidden] { display: none; }
.usuario-menu-cabecera { padding: 8px 10px 10px; border-bottom: 1px solid var(--border-light); margin-bottom: 4px; }
.usuario-menu-cabecera strong { display: block; font-size: 0.85rem; color: var(--text-main); }
.usuario-menu-cabecera small { font-size: 0.72rem; color: var(--text-muted); }
.usuario-menu-lista a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
}
.usuario-menu-lista a:hover { background: var(--bg-subtle); color: var(--primary); }
.usuario-menu-lista a.usuario-menu-salir { color: var(--accent-red); }
.usuario-menu-lista a.usuario-menu-salir:hover { background: var(--accent-red-soft); color: var(--accent-red); }

@media (max-width: 768px) {
  .usuario-menu-texto, .usuario-menu-flecha { display: none; }
  .usuario-menu-btn { padding: 3px; }
  .topbar-accion span { display: none; }
  .topbar-accion { padding: 8px 10px; }
  .topbar-right { gap: 6px; }
}

/* ---- Botones "Nuevo" dentro de cada página ---- */
.btn-nuevo { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; flex-shrink: 0; }
.listado-acciones { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.listado-pagina { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; margin-left: 6px; }
.card-header:has(.listado-acciones) { flex-wrap: wrap; gap: 10px; }
@media (max-width: 640px) {
  .listado-acciones { width: 100%; justify-content: flex-start; }
  .listado-pagina { margin-left: auto; }
  .colab-intro .btn-nuevo { width: 100%; justify-content: center; }
}

/* ---- Interruptores de preguntas activas para el examen ---- */
.switch-label { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; margin: 0; font-size: 0.82rem; font-weight: 700; color: var(--text-secondary); }
.switch-label input { position: absolute; opacity: 0; pointer-events: none; }
.switch-label input:checked + .switch { background: #10b981; }
.switch-label input:checked + .switch::after { left: 19px; }
.switch-label input:indeterminate + .switch { background: #f59e0b; }
.switch-label input:indeterminate + .switch::after { left: 11px; }
.switch-label input:focus-visible + .switch { outline: 2px solid var(--primary-light); outline-offset: 2px; }
.switch-sm .switch { width: 32px; height: 18px; }
.switch-sm .switch::after { width: 12px; height: 12px; }
.switch-sm input:checked + .switch::after { left: 17px; }

.preguntas-estado { display: flex; align-items: center; gap: 10px; margin-left: auto; margin-right: 8px; }
.preguntas-estado-txt { font-size: 0.78rem; color: var(--text-muted); }
.preguntas-estado-txt strong { color: var(--text-main); }
tr.pregunta-inactiva td { opacity: 0.45; }
tr.pregunta-inactiva td:nth-last-child(2), tr.pregunta-inactiva td:last-child { opacity: 1; }
@media (max-width: 900px) {
  .preguntas-estado { margin-left: 0; width: 100%; order: 3; }
}
.preguntas-estado .switch-label { gap: 6px; }
.preguntas-estado { gap: 8px; margin-right: 4px; }

/* ---- Resultados: los botones quedan flotando arriba al revisar el detalle ---- */
.resultado-actions {
  position: sticky;
  top: 10px;
  z-index: 60;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 28px;
  padding: 8px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}
[data-theme="dark"] .resultado-actions, .dark .resultado-actions { background: rgba(21, 28, 46, 0.88); }
.resultado-actions .btn { border-radius: var(--radius-pill); }
#detalleSection { scroll-margin-top: 84px; }
@media (max-width: 640px) {
  .resultado-actions { width: 100%; top: 6px; gap: 6px; border-radius: var(--radius-md); flex-wrap: nowrap; }
  .resultado-actions .btn { flex: 1 1 0; padding: 10px 8px; font-size: 0.8rem; white-space: nowrap; }
  .resultado-actions .btn svg { width: 15px; height: 15px; }
}

/* ---- Diálogo de impresión ---- */
.imprimir-opciones { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 480px) { .imprimir-opciones { grid-template-columns: 1fr; } }
#formBusqueda .search-bar { flex-wrap: wrap; }
#formBusqueda .search-input { min-width: 200px; }
.imprimir-opciones-3 { grid-template-columns: repeat(3, 1fr); }
.imprimir-cantidad { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 10px; padding: 10px 12px; border-radius: var(--radius-md); background: var(--primary-soft); border: 1px solid var(--primary-border); }
.imprimir-cantidad[hidden] { display: none; }
.imprimir-cantidad label { font-size: 0.85rem; font-weight: 700; color: var(--text-main); margin: 0 !important; }
.imprimir-cantidad .form-control { width: 90px; text-align: center; font-weight: 700; }
@media (max-width: 560px) { .imprimir-opciones-3 { grid-template-columns: 1fr; } }

/* ---- Vista previa de impresión en diálogo ---- */
.vista-impresion-box { max-width: 1000px !important; height: calc(100vh - 32px); height: calc(100dvh - 32px); }
.vista-impresion-acciones { display: flex; align-items: center; gap: 8px; }
.vista-impresion-cuerpo { position: relative; flex: 1; min-height: 0; background: #e5e7eb; }
.vista-impresion-cuerpo iframe { width: 100%; height: 100%; border: 0; display: block; }
.vista-impresion-cargando {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 700; color: #374151; background: #e5e7eb;
}
.vista-impresion-cargando[hidden] { display: none; }
.vista-impresion-cargando .loading-spinner { border-color: rgba(0,0,0,0.15); border-top-color: var(--primary-light); }
@media (max-width: 480px) {
  .vista-impresion-box { height: 100dvh; max-height: 100dvh; border-radius: 0; }
  .vista-impresion-acciones .btn { padding: 8px 10px; font-size: 0.78rem; }
}

/* Ventanas cerradas fuera del diseño: invisibles seguían ocupando ancho y en celular el navegador alejaba la página */
.modal-overlay:not(.active) { display: none !important; }
.modal-dialog { min-width: 0; }
@media (max-width: 640px) {
  .modal-grid-row { grid-template-columns: 1fr !important; }
}
/* El checkbox oculto de los interruptores debe quedarse dentro de su etiqueta (si no, ensancha la página en celular) */
.switch-label, .usuarios-registro, .level-tab, .apariencia-opcion, .tema-opcion { position: relative; }
.vista-impresion-acciones { flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 640px) {
  .vista-impresion-box .colab-modal-header { flex-wrap: wrap; gap: 8px; }
  .vista-impresion-acciones { width: 100%; }
  .vista-impresion-acciones .btn { flex: 1 1 auto; }
}

/* ---- Listado de preguntas: solo las filas se desplazan ---- */
.lista-scroll { overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.lista-scroll thead th { position: sticky; top: 0; z-index: 3; box-shadow: inset 0 -1px 0 var(--border-light); }

/* ---- Certificado al aprobar ---- */
.cert-card {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin: 0 auto 22px; padding: 14px 16px; border-radius: var(--radius-md);
  background: var(--accent-mint-soft); border: 1.5px solid var(--accent-mint-border);
}
.cert-card-icono { font-size: 2rem; line-height: 1; }
.cert-card-texto { flex: 1 1 240px; display: flex; flex-direction: column; gap: 2px; }
.cert-card-texto strong { font-size: 0.98rem; color: var(--text-main); }
.cert-card-texto span { font-size: 0.85rem; color: var(--text-secondary); }
.cert-card-acciones { display: flex; gap: 8px; flex-wrap: wrap; }
.cert-card-acciones .btn { display: inline-flex; align-items: center; gap: 6px; }
.btn-whatsapp { background: #25d366; color: #ffffff; box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3); }
.btn-whatsapp:hover { background: #1ebe5b; color: #ffffff; }
@media (max-width: 640px) {
  .cert-card { flex-direction: column; text-align: center; }
  .cert-card-acciones { width: 100%; }
  .cert-card-acciones .btn { flex: 1 1 100%; justify-content: center; }
}

/* ---- Datos del sistema › Examen ---- */
.examen-reglas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 10px; }
.examen-regla {
  display: flex !important; flex-direction: column; gap: 6px; margin: 0 !important;
  padding: 12px; border: 1.5px solid var(--border-light); border-radius: var(--radius-md); background: var(--bg-subtle);
}
.examen-regla:focus-within { border-color: var(--primary-light); }
.examen-regla-icono { font-size: 1.3rem; line-height: 1; }
.examen-regla-nombre { font-size: 0.85rem; font-weight: 800; color: var(--text-main); }
.examen-regla .form-control { font-size: 1.2rem; font-weight: 800; text-align: center; }
.examen-regla small { font-size: 0.72rem; color: var(--text-muted); font-weight: 500; line-height: 1.35; }
.examen-previa { max-width: 480px; padding: 14px 16px; border: 1px dashed var(--border-light); border-radius: var(--radius-md); background: var(--bg-card); }
.examen-previa h2 { font-family: 'Outfit', sans-serif; font-size: 1.15rem; font-weight: 700; color: var(--text-main); }
.examen-previa .info-strip { margin-bottom: 0; }
@media (max-width: 760px) { .examen-reglas { grid-template-columns: 1fr; } }

/* Aviso del nombre: explica para qué se pide */
.error-callout { align-items: flex-start; }
.error-callout svg { flex-shrink: 0; margin-top: 2px; }
.error-callout-texto { display: flex; flex-direction: column; gap: 2px; font-weight: 500; line-height: 1.4; }
.error-callout-texto strong { font-weight: 800; }
[data-theme="dark"] .error-callout, .dark .error-callout { background: rgba(239, 68, 68, 0.12); border-color: rgba(248, 113, 113, 0.4); color: #fca5a5; }

/* ==========================================================================
   EXÁMENES PREDISEÑADOS Y CERTIFICADOS (panel)
   ========================================================================== */
.nav-contador { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: #ef4444; color: #fff; font-size: 0.7rem; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; }

.plantillas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.plantilla-card { display: flex; flex-direction: column; gap: 8px; padding: 16px; background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.plantilla-card.borrador { border-style: dashed; }
.plantilla-cab { display: flex; gap: 6px; flex-wrap: wrap; }
.plantilla-titulo { font-size: 1rem; font-weight: 800; color: var(--text-main); line-height: 1.3; }
.plantilla-desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.45; }
.plantilla-datos { display: flex; flex-direction: column; gap: 3px; font-size: 0.8rem; color: var(--text-secondary); }
.plantilla-autor { font-size: 0.74rem; color: var(--text-muted); }
.plantilla-acciones { display: flex; align-items: center; gap: 8px; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border-light); }

.plantilla-editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 16px; align-items: start; padding-bottom: 70px; }
.plantilla-col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.plantilla-editor .card-header h2 { font-size: 0.95rem; }
.elegidas-lista { list-style: decimal; margin: 0 0 0 20px; display: flex; flex-direction: column; gap: 6px; max-height: 360px; overflow-y: auto; padding-right: 4px; }
.elegidas-lista li { font-size: 0.84rem; color: var(--text-main); }
.elegidas-lista li > * { vertical-align: top; }
.elegidas-lista li { display: list-item; }
.elegidas-lista li .elegida-texto { display: inline-block; width: calc(100% - 96px); line-height: 1.4; }
.elegida-texto small, .banco-item small { display: block; font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }
.elegida-acciones { display: inline-flex; gap: 3px; float: right; }
.elegida-acciones button { width: 26px; height: 26px; border: 1px solid var(--border-light); border-radius: 6px; background: var(--bg-subtle); color: var(--text-secondary); cursor: pointer; font-size: 0.8rem; }
.elegida-acciones button:disabled { opacity: 0.35; cursor: default; }
.elegida-acciones .quitar { color: #dc2626; }
.txt-inactiva { color: #d97706; }
.txt-error { color: #dc2626 !important; font-weight: 700; }
.banco-filtros { display: grid; grid-template-columns: 1fr; gap: 8px; margin-bottom: 10px; }
@media (min-width: 1200px) { .banco-filtros { grid-template-columns: 2fr 1.3fr 1fr; } }
.banco-resultados { display: flex; flex-direction: column; gap: 6px; max-height: 420px; overflow-y: auto; }
.banco-item { display: flex; gap: 10px; align-items: flex-start; padding: 8px 10px; border: 1px solid var(--border-light); border-radius: var(--radius-sm); font-size: 0.82rem; color: var(--text-main); line-height: 1.4; }
.banco-mas { flex-shrink: 0; width: 30px; height: 30px; border: none; border-radius: 8px; background: var(--primary-light); color: var(--primary-text, #fff); font-size: 1.1rem; font-weight: 800; cursor: pointer; }
.banco-mas:disabled { background: #10b981; cursor: default; }
.banco-paginas { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 10px; font-size: 0.8rem; color: var(--text-muted); }
.plantilla-barra {
  position: fixed; bottom: 0; right: 0; left: 240px; z-index: 80;
  display: flex; align-items: center; gap: 10px; justify-content: flex-end;
  padding: 10px 24px; background: var(--bg-card); border-top: 1px solid var(--border-light); box-shadow: 0 -6px 18px rgba(15, 23, 42, 0.06);
}
.plantilla-resumen { margin-right: auto; font-size: 0.9rem; color: var(--text-main); }
.plantilla-resumen span { color: var(--text-muted); font-size: 0.8rem; }
@media (max-width: 991px) {
  .plantilla-barra { left: 0; padding: 10px 14px; }
  .plantilla-editor { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .plantilla-resumen { flex-basis: 100%; text-align: center; }
  .plantilla-barra { flex-wrap: wrap; }
  .plantilla-barra .btn { flex: 1; }
}

/* ===== Exámenes prediseñados: lado del estudiante y verificación ===== */
.cert-card.emitido { border-color: #34d399; background: linear-gradient(135deg, #ecfdf5, #d1fae5); }
[data-theme="dark"] .cert-card.emitido { background: rgba(16, 185, 129, 0.12); }
.historial-cert { margin-top: 6px; }
.historial-cert .badge { text-decoration: none; display: inline-flex; gap: 4px; }
a.badge:hover { filter: brightness(0.95); }
.verificar-page { max-width: 560px; }
.verificar-marca { display: flex; align-items: center; gap: 12px; justify-content: center; margin-bottom: 18px; }
.verificar-marca .logo-badge { width: 48px; height: 48px; }
.verificar-marca strong { display: block; font-family: 'Outfit', sans-serif; font-size: 1.15rem; color: var(--text-main); }
.verificar-marca small { display: block; font-size: 0.8rem; color: var(--text-muted); }
.verificar-label { display: block; font-weight: 700; font-size: 0.85rem; color: var(--text-main); margin-bottom: 8px; }
.verificar-fila { display: flex; gap: 8px; }
.verificar-fila .form-control { flex: 1; min-width: 0; }
.verificar-resultado { margin-top: 16px; }
.verificar-resultado.ok { border-left: 4px solid #10b981; }
.verificar-resultado.mal { border-left: 4px solid #ef4444; }
.verificar-resultado p { color: var(--text-muted); font-size: 0.88rem; margin-top: 6px; }
.verificar-estado { font-weight: 800; font-size: 1.05rem; color: var(--text-main); }
.verificar-datos { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin-top: 14px; font-size: 0.9rem; }
.verificar-datos dt { color: var(--text-muted); }
.verificar-datos dd { margin: 0; color: var(--text-main); word-break: break-word; }
@media (max-width: 480px) {
  .verificar-datos { grid-template-columns: 1fr; gap: 2px; }
  .verificar-datos dd { margin-bottom: 8px; }
}
/* ===== Niveles por aciertos (como el examen oficial del OECE) ===== */
.niveles-oficial { margin: 4px 0 18px; padding: 12px 14px; border-radius: 14px; background: var(--bg-subtle); border: 1px solid var(--border-color); }
.niveles-titulo { font-size: 0.78rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 8px; }
.niveles-lista { display: flex; gap: 8px; flex-wrap: wrap; }
.nivel-chip { flex: 1; min-width: 90px; text-align: center; padding: 7px 8px; border-radius: 10px; font-size: 0.78rem; font-weight: 700; }
.nivel-chip b { display: block; font-size: 1rem; font-family: 'Outfit', sans-serif; }
.nivel-chip.basico { background: #e0f2fe; color: #0369a1; }
.nivel-chip.intermedio { background: #fef3c7; color: #b45309; }
.nivel-chip.avanzado { background: #d1fae5; color: #047857; }
[data-theme="dark"] .nivel-chip.basico { background: rgba(14, 165, 233, 0.15); color: #7dd3fc; }
[data-theme="dark"] .nivel-chip.intermedio { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
[data-theme="dark"] .nivel-chip.avanzado { background: rgba(16, 185, 129, 0.15); color: #6ee7b7; }

.nivel-escala { margin: 6px 6px 46px; }
.nivel-escala-pista { position: relative; height: 12px; border-radius: 999px; background: var(--bg-subtle); border: 1px solid var(--border-color); }
.nivel-escala-relleno { height: 100%; border-radius: 999px; background: #ef4444; transition: width 0.8s ease; }
.nivel-escala-relleno.basico { background: #0ea5e9; }
.nivel-escala-relleno.intermedio { background: #f59e0b; }
.nivel-escala-relleno.avanzado { background: #10b981; }
.nivel-escala-marca { position: absolute; top: -4px; width: 3px; height: 20px; margin-left: -1.5px; border-radius: 2px; background: var(--text-muted); }
.nivel-escala-marca.logrado { background: var(--text-main); }
.nivel-escala-texto { position: absolute; top: 24px; left: 50%; transform: translateX(-50%); white-space: nowrap; text-align: center; font-size: 0.7rem; color: var(--text-muted); line-height: 1.2; }
.nivel-escala-texto b { display: block; font-size: 0.8rem; color: var(--text-main); }
.nivel-escala-marca.logrado .nivel-escala-texto { color: var(--text-main); font-weight: 700; }

/* Distribución por competencia en Datos del sistema › Examen */
.dist-lista { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.dist-fila { display: flex; align-items: center; gap: 12px; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 10px; background: var(--bg-card); }
.dist-nombre { flex: 1; min-width: 0; font-size: 0.86rem; font-weight: 600; color: var(--text-main); }
.dist-nombre small { display: block; font-weight: 400; font-size: 0.74rem; color: var(--text-muted); }
.dist-input { width: 90px; flex: none; text-align: center; }
.dist-total { background: var(--bg-subtle); }
.dist-total strong { font-family: 'Outfit', sans-serif; color: var(--primary); }

/* Editor de exámenes prediseñados dentro de un diálogo */
.editor-plantilla-box { max-width: 1280px !important; }
.editor-plantilla-cuerpo { background: var(--bg-page); }
body.editor-embebido { padding: 16px; min-height: 0; }
body.editor-embebido .plantilla-barra { left: 0; padding: 10px 16px; }
@media (max-width: 480px) { body.editor-embebido { padding: 10px; } }

/* Registro con DNI, consentimiento de datos y restablecer por WhatsApp */
.consentimiento-check { display: flex; align-items: flex-start; gap: 10px; margin: 4px 0 6px; font-size: 0.82rem; line-height: 1.45; color: var(--text-secondary); cursor: pointer; }
.consentimiento-check input { flex: none; width: 18px; height: 18px; margin-top: 1px; accent-color: var(--primary-light); }
.politica-texto { font-size: 0.86rem; line-height: 1.55; color: var(--text-secondary); }
.politica-texto ul { margin: 10px 0 0 18px; display: flex; flex-direction: column; gap: 6px; }
.politica-texto strong { color: var(--text-main); }
.dni-existe { display: block; margin-top: 4px; font-weight: 500; }
.wa-chat { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; background: #25d366; color: #fff !important; font-weight: 700; font-size: 0.8rem; text-decoration: none; white-space: nowrap; }
.wa-chat:hover { background: #1ebe57; }
.olvido-clave { margin-top: 14px; text-align: center; font-size: 0.84rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; justify-content: center; }
.form-control.campo-bloqueado { background: var(--bg-subtle); color: var(--text-muted); cursor: not-allowed; }

/* Mis exámenes: botón PDF y filtro de la vista previa */
.historial-botones { display: flex; gap: 6px; flex-shrink: 0; }
.btn-pdf { padding: 6px 9px; color: #dc2626; }
.btn-pdf:hover { color: #b91c1c; }
.pdf-filtro { display: inline-flex; padding: 3px; border-radius: 10px; background: var(--bg-subtle); border: 1px solid var(--border-color); }
.pdf-filtro button { border: 0; background: transparent; padding: 5px 10px; border-radius: 8px; font: inherit; font-size: 0.78rem; font-weight: 700; color: var(--text-muted); cursor: pointer; white-space: nowrap; }
.pdf-filtro button.activo { background: var(--bg-card); color: var(--text-main); box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
@media (max-width: 560px) {
  #modalPdf .colab-modal-header { flex-wrap: wrap; gap: 8px; }
  #modalPdf .vista-impresion-acciones { width: 100%; justify-content: space-between; }
}

/* Exámenes prediseñados en lista y diálogo de resultados */
.txt-aprob { color: #059669; }
.txt-desaprob { color: #dc2626; }
.tabla-plantillas .usuario-sub .badge { margin-right: 4px; }
.res-filtro b { margin-left: 4px; font-weight: 800; }
/* En celular, cada dato de los exámenes prediseñados y de los resultados lleva su nombre */
@media (max-width: 640px) {
  .tabla-usuarios td[data-label="Preguntas"], .tabla-usuarios td[data-label="Rindieron"], .tabla-usuarios td[data-label="Aprobados"],
  .tabla-usuarios td[data-label="Desaprobados"], .tabla-usuarios td[data-label="Mejor nota"], .tabla-usuarios td[data-label="Último intento"] {
    display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 6px;
  }
  .tabla-usuarios td[data-label="Preguntas"]::before, .tabla-usuarios td[data-label="Rindieron"]::before, .tabla-usuarios td[data-label="Aprobados"]::before,
  .tabla-usuarios td[data-label="Desaprobados"]::before, .tabla-usuarios td[data-label="Mejor nota"]::before, .tabla-usuarios td[data-label="Último intento"]::before {
    content: attr(data-label) ':'; font-size: 0.75rem; font-weight: 600; color: var(--text-muted);
  }
  .tabla-usuarios td[data-label="#"] { display: none; }
}

/* Invitación a registrarse con sus beneficios */
.registro-promo { border-radius: 14px; padding: 14px 16px; font-size: 0.84rem; line-height: 1.45; }
.registro-promo-titulo { font-weight: 800; font-size: 0.95rem; margin-bottom: 8px; }
.registro-promo ul { list-style: none; display: grid; gap: 6px; margin: 0 0 12px; padding: 0; }
.registro-promo-btn { background: var(--primary-light); color: #fff; border: 0; }
.registro-promo-btn:hover { filter: brightness(1.08); color: #fff; }
.registro-promo.en-panel { margin-top: 1.5rem; background: rgba(255, 255, 255, 0.08); border: 1px solid var(--hero-line, rgba(255,255,255,0.15)); color: var(--hero-muted); }
.registro-promo.en-panel .registro-promo-titulo, .registro-promo.en-panel strong { color: var(--hero-title); }
.registro-promo.en-panel .registro-promo-btn { background: #fff; color: var(--primary); }
.registro-promo.fuera-panel { width: 100%; max-width: 480px; margin: 14px auto 0; background: var(--bg-card); border: 1px solid var(--primary-border); color: var(--text-secondary); box-shadow: var(--shadow-sm, 0 2px 8px rgba(0,0,0,0.05)); }
.registro-promo.fuera-panel .registro-promo-titulo, .registro-promo.fuera-panel strong { color: var(--text-main); }
/* Con el panel de marca a la vista, la invitación va en él */
@media (min-width: 992px) { .auth-inicio:not(.auth-centro) .registro-promo.fuera-panel { display: none; } }

/* Panel de marca en pantallas bajas: se compacta y, si aún no entra, se desplaza en vez de cortarse */
@media (min-width: 992px) {
  .auth-hero { overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; scrollbar-color: var(--hero-line) transparent; }
  .auth-hero-body { padding: 2rem 0; }
}
@media (min-width: 992px) and (max-height: 860px) {
  .auth-hero { padding: 1.75rem 2.5rem; }
  .auth-hero-body { padding: 1.25rem 0; }
  .auth-hero-body h2 { font-size: 1.85rem; margin-bottom: 0.6rem; }
  .auth-hero-body > p { font-size: 0.92rem; margin-bottom: 1.2rem; }
  .auth-features { gap: 0.7rem; }
  .auth-features li { font-size: 0.82rem; line-height: 1.4; }
  .auth-features li strong { font-size: 0.9rem; }
  .auth-features li > span { width: 34px; height: 34px; border-radius: 9px; }
  .auth-features li > span svg { width: 17px; height: 17px; }
  .registro-promo.en-panel { margin-top: 1rem; padding: 10px 14px; font-size: 0.8rem; }
  .registro-promo.en-panel .registro-promo-titulo { font-size: 0.9rem; margin-bottom: 5px; }
  .registro-promo.en-panel ul { gap: 3px; margin-bottom: 9px; }
}
@media (min-width: 992px) and (max-height: 680px) {
  .auth-hero-body h2 { font-size: 1.55rem; }
  .auth-hero-body > p { display: none; }
  .auth-features li { font-size: 0.78rem; }
}
/* El halo como fondo (no como elemento): así no agrega desplazamiento al panel */
@media (min-width: 992px) {
  .auth-hero::after { display: none; }
  .auth-hero {
    background:
      radial-gradient(circle 260px at calc(100% + 80px) calc(100% + 60px), color-mix(in srgb, var(--primary-light) 35%, transparent), transparent 100%),
      var(--hero-bg);
    background-attachment: local;
  }
}

.wa-boton { display: inline-flex; align-items: center; gap: 6px; background: #25d366; color: #fff; border: 0; }
.wa-boton:hover { background: #1ebe57; color: #fff; }

/* Datos del sistema › Correo */
.correo-prueba { display: flex; gap: 8px; margin: 8px 0 4px; flex-wrap: wrap; }
.correo-prueba .form-control { flex: 1; min-width: 200px; }

.aviso-nombre { margin-top: 3px; font-size: 0.72rem; font-weight: 700; color: #b45309; }