/* ==========================================================================
   PATOLOGÍA ESPECIAL - CLASES PRÁCTICAS DE MICROSCOPÍA (UNMSM 2026-II)
   Facultad de Medicina San Fernando • Instituto de Patología UNMSM
   Sistema de Diseño Glassmorphism Clínico, Neurociencia y Psicología Conductual
   ========================================================================== */

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

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & VARIABLES DE TEMA (DARK / LIGHT)
   -------------------------------------------------------------------------- */
:root {
  /* Fondo Base Oscuro - Laboratorio Óptico Penumbra */
  --bg-deep: #030712;
  --bg-canvas: #050b17;
  --bg-surface: #091224;
  --bg-surface-elevated: #0f1c38;

  /* Glassmorphism Clínico Galardonado (Awwwards / Apple Human Interface Design) */
  --glass-bg: rgba(8, 16, 32, 0.60);
  --glass-bg-hover: rgba(13, 24, 48, 0.75);
  --glass-bg-card: rgba(10, 20, 40, 0.52);
  --glass-bg-modal: rgba(5, 10, 22, 0.88);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-light: rgba(255, 255, 255, 0.18);
  --glass-border-specular: rgba(255, 255, 255, 0.35);
  --glass-border-subtle: rgba(255, 255, 255, 0.05);
  --glass-blur: 24px;
  --glass-blur-modal: 36px;
  --glass-saturate: 210%;
  --glass-shadow: 
    0 16px 40px -8px rgba(0, 0, 0, 0.65), 
    0 4px 16px -2px rgba(0, 0, 0, 0.4), 
    inset 0 1px 0 0 rgba(255, 255, 255, 0.22),
    inset 0 -1px 0 0 rgba(0, 0, 0, 0.35);
  --glass-shadow-hover: 
    0 24px 56px -10px rgba(0, 0, 0, 0.75), 
    0 0 32px rgba(56, 189, 248, 0.35), 
    inset 0 1px 0 0 rgba(255, 255, 255, 0.38),
    inset 0 0 16px rgba(56, 189, 248, 0.08);

  /* Identidad Institucional San Fernando UNMSM */
  --unmsm-gold: #d4af37;
  --unmsm-gold-light: #fde68a;
  --unmsm-gold-dark: #b45309;
  --unmsm-gold-glow: rgba(212, 175, 55, 0.45);
  --grad-unmsm-gold: linear-gradient(135deg, #fde68a 0%, #d4af37 50%, #b45309 100%);

  /* Cian Microscopía & Diagnóstico Bioluminiscente */
  --med-cyan: #38bdf8;
  --med-cyan-light: #7dd3fc;
  --med-cyan-deep: #0284c7;
  --med-cyan-glow: rgba(56, 189, 248, 0.5);
  --grad-med-cyan: linear-gradient(135deg, rgba(56, 189, 248, 0.9) 0%, rgba(2, 132, 199, 0.95) 100%);

  /* Unidades Temáticas de Patología con Sombras Especulares */
  --u1-color: #38bdf8;
  --u1-bg: rgba(56, 189, 248, 0.10);
  --u1-border: rgba(56, 189, 248, 0.40);
  --u1-glow: rgba(56, 189, 248, 0.35);

  --u2-color: #c084fc;
  --u2-bg: rgba(192, 132, 252, 0.10);
  --u2-border: rgba(192, 132, 252, 0.40);
  --u2-glow: rgba(192, 132, 252, 0.35);

  --u3-color: #f472b6;
  --u3-bg: rgba(244, 114, 182, 0.10);
  --u3-border: rgba(244, 114, 182, 0.40);
  --u3-glow: rgba(244, 114, 182, 0.35);

  --u4-color: #34d399;
  --u4-bg: rgba(52, 211, 153, 0.10);
  --u4-border: rgba(52, 211, 153, 0.40);
  --u4-glow: rgba(52, 211, 153, 0.35);

  /* Estados y Alertas */
  --state-success: #10b981;
  --state-success-bg: rgba(16, 185, 129, 0.15);
  --state-warning: #f59e0b;
  --state-warning-bg: rgba(245, 158, 11, 0.15);
  --state-danger: #ef4444;
  --state-danger-bg: rgba(239, 68, 68, 0.15);
  --state-exam: #f59e0b;
  --state-exam-bg: rgba(245, 158, 11, 0.22);

  /* Tipografías */
  --font-ui: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-heraldic: 'Cinzel', Georgia, serif;

  /* Escala de Textos (WCAG AAA) */
  --text-pure: #ffffff;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  /* Geometría y Radios Orgánicos */
  --radius-xs: 6px;
  --radius-sm: 9px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-pill: 9999px;

  /* Transiciones Cinéticas y Elásticas Fluídas */
  --transition-fast: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: all 0.38s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   TEMA CLARO (LIGHT THEME)
   -------------------------------------------------------------------------- */
[data-theme="light"] {
  --bg-deep: #f1f5f9;
  --bg-canvas: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;

  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-bg-hover: rgba(255, 255, 255, 0.94);
  --glass-bg-card: rgba(255, 255, 255, 0.75);
  --glass-bg-modal: rgba(255, 255, 255, 0.98);
  --glass-border: rgba(15, 23, 42, 0.08);
  --glass-border-light: rgba(15, 23, 42, 0.16);
  --glass-border-subtle: rgba(15, 23, 42, 0.04);
  --glass-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04), inset 0 1px 0 0 rgba(255, 255, 255, 0.95);
  --glass-shadow-hover: 0 18px 38px -8px rgba(15, 23, 42, 0.14), 0 0 22px rgba(2, 132, 199, 0.18), inset 0 1px 0 0 rgba(255, 255, 255, 1);

  --text-pure: #0f172a;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  --unmsm-gold: #b45309;
  --unmsm-gold-light: #78350f;
  --med-cyan: #0284c7;
  --med-cyan-deep: #0369a1;
}

/* --------------------------------------------------------------------------
   2. RESET & BASE SETUP
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body.app-body {
  font-family: var(--font-ui);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.55;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.18), transparent 60%),
    radial-gradient(circle at 90% 20%, rgba(168, 85, 247, 0.14), transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(212, 175, 55, 0.12), transparent 60%),
    radial-gradient(circle at 80% 90%, rgba(16, 185, 129, 0.10), transparent 50%),
    linear-gradient(180deg, #030712 0%, #050b17 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[data-theme="light"] body.app-body {
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.25), transparent 60%),
    radial-gradient(circle at 90% 20%, rgba(192, 132, 252, 0.20), transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(254, 243, 199, 0.50), transparent 60%),
    linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

/* Fallback para navegadores sin backdrop-filter */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .glass-panel, .modal-study-dialog {
    background-color: var(--bg-surface) !important;
    opacity: 0.98 !important;
  }
}

/* --------------------------------------------------------------------------
   3. DESTELLOS AMBIENTALES DINÁMICOS (HARDWARE ACCELERATED)
   -------------------------------------------------------------------------- */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.55;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  animation: floatOrb 22s ease-in-out infinite alternate;
}

.glow-cyan {
  top: -120px;
  left: -120px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.45) 0%, rgba(2, 132, 199, 0) 70%);
  animation-duration: 24s;
}

.glow-gold {
  top: 15%;
  right: -150px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.35) 0%, rgba(180, 83, 9, 0) 70%);
  animation-duration: 28s;
  animation-delay: -6s;
}

.glow-indigo {
  bottom: 5%;
  left: 20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.28) 0%, rgba(79, 70, 229, 0) 70%);
  animation-duration: 32s;
  animation-delay: -12s;
}

@keyframes floatOrb {
  0% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  50% { transform: translate3d(60px, 80px, 0) scale(1.12) rotate(180deg); }
  100% { transform: translate3d(-40px, -50px, 0) scale(0.92) rotate(360deg); }
}

/* --------------------------------------------------------------------------
   4. COMPONENTES BASE DE GLASS PANEL & BOTONES
   -------------------------------------------------------------------------- */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.28s ease;
  position: relative;
}

/* Borde Especular Superior Prismático (Reflexión Óptica de Luz) */
.glass-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.35) 50%, transparent 100%);
  pointer-events: none;
  border-radius: 999px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  transition: var(--transition-smooth);
  outline: none;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: var(--grad-med-cyan);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--glass-border-light);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--med-cyan);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. TOP NAVIGATION BAR (.top-nav)
   -------------------------------------------------------------------------- */
.top-nav {
  position: sticky;
  top: 12px;
  left: 0;
  right: 0;
  max-width: 1440px;
  margin: 12px auto 0;
  padding: 12px 24px;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border-light);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.nav-brand-container {
  display: flex;
  align-items: center;
  gap: 14px;
}

.unmsm-shield-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.25) 0%, rgba(9, 18, 36, 0.9) 100%);
  border: 1.5px solid var(--unmsm-gold);
  box-shadow: 0 0 16px var(--unmsm-gold-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--unmsm-gold-light);
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.unmsm-shield-icon svg {
  width: 24px;
  height: 24px;
}

.top-nav:hover .unmsm-shield-icon {
  transform: rotate(4deg) scale(1.04);
  box-shadow: 0 0 22px rgba(212, 175, 55, 0.6);
}

.nav-title-group {
  display: flex;
  flex-direction: column;
}

.nav-institution {
  font-family: var(--font-heraldic);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--unmsm-gold-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-course-name {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-pure);
  letter-spacing: -0.015em;
  line-height: 1.25;
}

.nav-actions-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-pill-compact {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.progress-label {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
}

.progress-track-mini {
  width: 80px;
  height: 7px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  overflow: hidden;
  position: relative;
}

.progress-fill-mini {
  height: 100%;
  background: linear-gradient(90deg, #38bdf8 0%, #10b981 100%);
  border-radius: var(--radius-pill);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.6);
}

.progress-val-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--med-cyan-light);
}

/* --------------------------------------------------------------------------
   6. CONTENEDOR PRINCIPAL & HERO BANNER BJ FOGG (.hero-fogg-card)
   -------------------------------------------------------------------------- */
.main-layout-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  z-index: 1;
}

.hero-fogg-card {
  padding: 28px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.hero-fogg-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #d4af37, #38bdf8, #c084fc, #34d399, #d4af37);
  background-size: 200% auto;
  animation: gradientShimmer 7s linear infinite;
}

@keyframes gradientShimmer {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-left-info {
  flex: 1 1 540px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--med-cyan-light);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.25);
}

.hero-badge-exam {
  background: rgba(245, 158, 11, 0.18);
  border-color: rgba(245, 158, 11, 0.45);
  color: #fde68a;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.3);
}

.hero-week-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-pure);
  line-height: 1.25;
}

.hero-meta-desc {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.hero-meta-desc span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.hero-stats-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.stat-number-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
}

/* --------------------------------------------------------------------------
   7. BARRA DE HERRAMIENTAS & FILTROS (.toolbar-section)
   -------------------------------------------------------------------------- */
.toolbar-section {
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.unit-tabs-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.unit-tabs-row::-webkit-scrollbar {
  height: 4px;
}

.unit-tabs-row::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-pill);
}

.unit-tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.unit-tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--glass-border-light);
  transform: translateY(-1px);
}

.unit-tab-btn.active {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.35) 0%, rgba(56, 189, 248, 0.45) 100%);
  border-color: var(--med-cyan);
  color: #ffffff;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
}

.unit-tab-btn[data-unit="2"].active {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.35) 0%, rgba(192, 132, 252, 0.45) 100%);
  border-color: var(--u2-color);
  box-shadow: 0 0 16px rgba(192, 132, 252, 0.35);
}

.unit-tab-btn[data-unit="3"].active {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.35) 0%, rgba(244, 114, 182, 0.45) 100%);
  border-color: var(--u3-color);
  box-shadow: 0 0 16px rgba(244, 114, 182, 0.35);
}

.unit-tab-btn[data-unit="4"].active {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.35) 0%, rgba(52, 211, 153, 0.45) 100%);
  border-color: var(--u4-color);
  box-shadow: 0 0 16px rgba(52, 211, 153, 0.35);
}

.toolbar-controls-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  flex: 1 1 340px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  font-size: 0.95rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 10px 16px 10px 40px;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition-smooth);
}

.search-input:focus {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--med-cyan);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.28);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.filter-select-wrapper {
  flex: 0 0 210px;
  position: relative;
}

.filter-select {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.86rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2394a3b8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: var(--transition-smooth);
}

.filter-select option {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.filter-select:focus {
  border-color: var(--med-cyan);
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.25);
}

.view-switchers-group {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 3px;
  margin-left: auto;
}

.view-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.view-toggle-btn:hover {
  color: var(--text-primary);
}

.view-toggle-btn.active {
  background: var(--med-cyan-deep);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.4);
}

/* --------------------------------------------------------------------------
   8. RESUMEN DE PROGRESO (.progress-indicator-bar)
   -------------------------------------------------------------------------- */
.progress-indicator-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0 4px;
}

#progressRatioText {
  font-weight: 700;
  color: var(--med-cyan-light);
}

.academic-sem-label {
  font-style: italic;
}

/* --------------------------------------------------------------------------
   9. VISTA CUADRÍCULA BENTO (.bento-grid-view)
   -------------------------------------------------------------------------- */
.bento-grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 22px;
}

.bento-card {
  background: var(--glass-bg-card);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease,
              background 0.25s ease;
  box-shadow: var(--glass-shadow);
  overflow: hidden;
}

/* Micro-Bisel Especular de Cristal */
.bento-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.25) 30%, rgba(255, 255, 255, 0.4) 50%, rgba(255, 255, 255, 0.25) 70%, transparent 100%);
  pointer-events: none;
}

.bento-card:hover {
  transform: translateY(-5px) scale(1.008);
  background: var(--glass-bg-hover);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: 
    0 24px 50px -8px rgba(0, 0, 0, 0.75), 
    0 0 30px rgba(56, 189, 248, 0.22), 
    inset 0 1px 0 0 rgba(255, 255, 255, 0.35);
}

.bento-card-exam {
  border-color: rgba(245, 158, 11, 0.45);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.10) 0%, rgba(10, 20, 40, 0.65) 100%);
}

.bento-card-exam:hover {
  border-color: #f59e0b;
  box-shadow: 0 24px 55px -8px rgba(245, 158, 11, 0.32), 0 0 32px rgba(245, 158, 11, 0.2);
}

.von-restorff-card {
  box-shadow: 0 0 28px rgba(212, 175, 55, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(212, 175, 55, 0.5);
}

.bento-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bento-badge-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.badge-week {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.badge-unit {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: rgba(56, 189, 248, 0.14);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--med-cyan-light);
  backdrop-filter: blur(8px);
}

.badge-exam-alert {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: rgba(245, 158, 11, 0.25);
  border: 1px solid rgba(245, 158, 11, 0.55);
  color: #fef08a;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
}

.badge-done {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: rgba(16, 185, 129, 0.22);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #6ee7b7;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.25);
}

.btn-icon-fav {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: var(--unmsm-gold);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-icon-fav:hover {
  transform: scale(1.25);
}

.bento-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-pure);
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.bento-meta-bar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.bento-slides-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bento-slides-title {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.slide-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.2s ease,
              border-color 0.2s ease,
              box-shadow 0.2s ease;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.slide-pill:hover {
  background: rgba(56, 189, 248, 0.10);
  border-color: var(--med-cyan);
  transform: translateX(4px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4), 0 0 12px rgba(56, 189, 248, 0.25);
}

.slide-pill.slide-studied {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.45);
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.15);
}

.slide-pill-check {
  font-size: 1.1rem;
  cursor: pointer;
  user-select: none;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.slide-pill.slide-studied .slide-pill-check {
  color: #34d399;
  filter: drop-shadow(0 0 6px rgba(52, 211, 153, 0.6));
}

.slide-pill-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
}

.slide-pill-organ {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--med-cyan-light);
  text-transform: uppercase;
}

.slide-pill-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
}

.slide-pill-stain {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-micro-peek {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.btn-micro-peek:hover {
  background: rgba(56, 189, 248, 0.25);
  border-color: var(--med-cyan);
  transform: scale(1.1);
}

.bento-exam-box {
  padding: 12px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px dashed rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  color: #fef08a;
  line-height: 1.45;
}

.bento-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--glass-border-subtle);
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* Modo Active Recall: Difuminado inteligente */
.recall-blurred {
  filter: blur(5.5px);
  user-select: none;
  cursor: pointer;
  transition: filter 0.25s ease;
}

.recall-blurred:hover,
.recall-blurred.recall-revealed {
  filter: blur(0) !important;
}

/* --------------------------------------------------------------------------
   10. VISTA LÍNEA DE TIEMPO (.timeline-view)
   -------------------------------------------------------------------------- */
.timeline-view {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  padding-left: 20px;
}

.timeline-view::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 36px;
  width: 2px;
  background: linear-gradient(180deg, #38bdf8 0%, #c084fc 50%, #34d399 100%);
  opacity: 0.4;
}

.timeline-node {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  position: relative;
}

.timeline-marker {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 2px solid var(--med-cyan);
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 2;
  margin-top: 12px;
}

.timeline-num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--med-cyan-light);
}

.timeline-node-exam .timeline-marker {
  border-color: var(--unmsm-gold);
  box-shadow: 0 0 16px var(--unmsm-gold-glow);
}

.timeline-node-exam .timeline-num {
  color: var(--unmsm-gold-light);
}

.timeline-node-done .timeline-marker {
  border-color: #10b981;
  box-shadow: 0 0 14px rgba(16, 185, 129, 0.4);
}

.timeline-node-done .timeline-num {
  color: #6ee7b7;
}

.timeline-content {
  flex: 1;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.timeline-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.timeline-date-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
}

.timeline-title {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-pure);
}

.timeline-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.timeline-slides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.timeline-slide-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.timeline-slide-card:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--med-cyan);
  transform: translateY(-2px);
}

.timeline-slide-card.slide-studied {
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(16, 185, 129, 0.08);
}

.tsc-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tsc-organ {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--med-cyan-light);
  text-transform: uppercase;
}

.tsc-badge {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
}

.tsc-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.tsc-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-check-toggle {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-check-toggle:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--med-cyan);
}

/* --------------------------------------------------------------------------
   11. VISTA TABLA SINÓPTICA (.synoptic-table)
   -------------------------------------------------------------------------- */
.table-view-container {
  overflow-x: auto;
  padding: 0;
  border-radius: var(--radius-lg);
}

.synoptic-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.86rem;
}

.synoptic-table thead tr {
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid var(--glass-border-light);
}

.synoptic-table th {
  padding: 14px 16px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
}

.synoptic-table tbody tr {
  border-bottom: 1px solid var(--glass-border-subtle);
  transition: var(--transition-fast);
}

.synoptic-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

.synoptic-table td {
  padding: 14px 16px;
  vertical-align: middle;
}

.td-sem {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--med-cyan);
  font-weight: 800;
}

.td-dates {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.td-slide-flex {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slide-num-indicator {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.td-slide-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-fast);
}

.td-slide-link:hover {
  color: var(--med-cyan);
  text-decoration: underline;
}

.badge-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.organ-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--med-cyan-light);
  text-transform: uppercase;
}

.stain-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.btn-table-slide-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-table-slide-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.btn-table-slide-toggle.is-done {
  background: rgba(16, 185, 129, 0.18);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

.table-row-exam {
  background: rgba(245, 158, 11, 0.06);
}

/* --------------------------------------------------------------------------
   12. MODAL INTERACTIVO DE ESTUDIO ROBBINS (.modal-study-backdrop)
   -------------------------------------------------------------------------- */
.modal-study-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 17, 0.78);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-study-backdrop.modal-visible {
  opacity: 1;
  pointer-events: auto;
}

.modal-study-dialog {
  max-width: 1140px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  background: var(--glass-bg-modal);
  backdrop-filter: blur(var(--glass-blur-modal)) saturate(220%);
  -webkit-backdrop-filter: blur(var(--glass-blur-modal)) saturate(220%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border-light);
  box-shadow: 
    0 30px 80px -15px rgba(0, 0, 0, 0.85), 
    0 0 40px rgba(56, 189, 248, 0.25),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.35);
  transform: scale(0.94) translateY(14px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

/* Bisel Especular Superior Prismático del Modal */
.modal-study-dialog::before {
  content: "";
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 1.5px;
  background: linear-gradient(90deg, transparent 0%, rgba(56, 189, 248, 0.6) 25%, rgba(255, 255, 255, 0.8) 50%, rgba(56, 189, 248, 0.6) 75%, transparent 100%);
  pointer-events: none;
}

.modal-study-backdrop.modal-visible .modal-study-dialog {
  transform: scale(1) translateY(0);
}

.modal-study-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.modal-pill-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-close-modal {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-fast);
}

.btn-close-modal:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  transform: rotate(90deg);
}

.modal-slide-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-pure);
  line-height: 1.2;
}

.modal-system-subtitle {
  font-size: 0.9rem;
  color: var(--med-cyan-light);
  margin-top: 4px;
  margin-bottom: 20px;
}

.modal-grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Columna Izquierda: Microscopio Virtual */
.modal-microscope-viewport {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.viewport-canvas-wrapper {
  width: 100%;
  height: 280px;
  background: radial-gradient(circle, #2d1838 0%, #150920 60%, #08030d 100%);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 35px rgba(0, 0, 0, 0.8);
}

.microscope-reticle {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

.reticle-h {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(56, 189, 248, 0.35);
}

.reticle-v {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(56, 189, 248, 0.35);
}

.reticle-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110px;
  height: 110px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px dashed rgba(56, 189, 248, 0.45);
}

.microscope-hud {
  position: absolute;
  top: 10px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--med-cyan-light);
  z-index: 4;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
}

.microscope-sample-preview {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.sample-abstract-pattern {
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 30% 40%, rgba(217, 70, 239, 0.35) 0%, transparent 45%),
    radial-gradient(circle at 70% 60%, rgba(99, 102, 241, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.25) 0%, transparent 55%);
  filter: contrast(140%) saturate(160%);
  animation: cellGentlyShift 14s ease-in-out infinite alternate;
}

@keyframes cellGentlyShift {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.08) rotate(3deg); }
}

.mag-4x { transform: scale(1); }
.mag-10x { transform: scale(1.35); }
.mag-40x { transform: scale(2.0); }
.mag-100x { transform: scale(2.8); }

.sample-caption {
  position: absolute;
  bottom: 10px;
  left: 12px;
  font-size: 0.74rem;
  color: #f1f5f9;
  z-index: 4;
  background: rgba(0, 0, 0, 0.6);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.magnification-controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.btn-mag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-mag:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.btn-mag.active {
  background: var(--med-cyan-deep);
  border-color: var(--med-cyan);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.4);
}

.virtual-links-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

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

.btn-vlink {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-vlink:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--med-cyan);
  transform: translateX(3px);
}

/* Columna Derecha: Criterios Robbins & Notas */
.modal-details-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.criteria-card, .pearl-card, .notes-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.criteria-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--med-cyan-light);
}

.criteria-title small {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.robbins-def-text {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.criteria-list {
  padding-left: 20px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.criteria-list li {
  margin-bottom: 4px;
}

.pearl-card {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12) 0%, rgba(9, 18, 36, 0.6) 100%);
  border-left: 3px solid var(--unmsm-gold);
}

.pearl-title {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--unmsm-gold-light);
  letter-spacing: 0.04em;
}

.pearl-text {
  font-size: 0.84rem;
  color: #fef3c7;
  line-height: 1.5;
}

.notes-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.autosave-label {
  font-size: 0.7rem;
  color: #34d399;
}

#studentSlideNote {
  width: 100%;
  height: 80px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 10px;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.84rem;
  outline: none;
  resize: vertical;
}

#studentSlideNote:focus {
  border-color: var(--med-cyan);
  background: rgba(255, 255, 255, 0.08);
}

.modal-footer-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 8px;
}

/* --------------------------------------------------------------------------
   13. ESTADO VACÍO & EFECTO HIGHLIGHT
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 4px;
}

.highlight-glow {
  animation: highlightPulse 2.5s ease-out;
}

@keyframes highlightPulse {
  0% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.8); border-color: #38bdf8; }
  50% { box-shadow: 0 0 32px 8px rgba(56, 189, 248, 0.5); border-color: #38bdf8; }
  100% { box-shadow: var(--glass-shadow); }
}

/* --------------------------------------------------------------------------
   14. PIE DE PÁGINA (.app-footer)
   -------------------------------------------------------------------------- */
.app-footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(4, 8, 18, 0.85);
  backdrop-filter: blur(12px);
  padding: 32px 24px;
  margin-top: 40px;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-col-main p, .footer-col-meta p {
  line-height: 1.6;
}

.footer-sub {
  font-size: 0.76rem;
  color: var(--text-subtle);
  margin-top: 4px;
}

/* --------------------------------------------------------------------------
   15. RESPONSIVIDAD (MOBILE & TABLETS)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-fogg-card {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-stats-card {
    justify-content: space-around;
  }
  .modal-grid-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-nav {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }
  .nav-actions-group {
    justify-content: space-between;
  }
  .main-layout-container {
    padding: 16px 14px 60px;
  }
  .hero-week-title {
    font-size: 1.45rem;
  }
  .toolbar-controls-row {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-select-wrapper {
    flex: 1 1 100%;
  }
  .view-switchers-group {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
  }
  .view-toggle-btn {
    flex: 1;
    justify-content: center;
  }
  .bento-grid-view {
    grid-template-columns: 1fr;
  }
  .footer-container {
    flex-direction: column;
  }
}

/* ==========================================================================
   16. SIDEBAR DESPLEGABLE IZQUIERDO CLÍNICO (NEUROCIENCIA & DARK GLASS)
   ========================================================================== */
.btn-sidebar-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--med-cyan-light);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  flex-shrink: 0;
}
.btn-sidebar-toggle:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--med-cyan);
  transform: scale(1.04);
}

/* Backdrop Blur para Móvil */
.sidebar-backdrop-blur {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 17, 0.7);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.sidebar-backdrop-blur.active {
  opacity: 1;
  pointer-events: auto;
}

/* Drawer / Sidebar Lateral */
.clinical-chapters-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 360px;
  max-width: 90vw;
  background: rgba(5, 11, 24, 0.88);
  backdrop-filter: blur(32px) saturate(220%);
  -webkit-backdrop-filter: blur(32px) saturate(220%);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 
    16px 0 50px rgba(0, 0, 0, 0.85),
    inset -1px 0 0 0 rgba(255, 255, 255, 0.15),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.25);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translate3d(-100%, 0, 0);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}
.clinical-chapters-sidebar.open {
  transform: translate3d(0, 0, 0);
}

/* Encabezado del Sidebar */
.sidebar-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 16, 32, 0.75);
  position: relative;
}
.sidebar-drawer-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(56, 189, 248, 0.5) 50%, transparent 100%);
}
.sidebar-drawer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heraldic);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--unmsm-gold-light);
  letter-spacing: 0.05em;
}
.sidebar-icon-glow {
  font-size: 1.2rem;
  filter: drop-shadow(0 0 8px rgba(212, 175, 55, 0.7));
}
.btn-close-drawer {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}
.btn-close-drawer:hover {
  color: #ffffff;
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
  transform: rotate(90deg);
}

/* Buscador en Vivo en Sidebar */
.sidebar-search-box {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--glass-border-subtle);
}
.sidebar-search-inner {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(4, 8, 18, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0 12px;
  transition: var(--transition-fast);
}
.sidebar-search-inner:focus-within {
  border-color: var(--med-cyan);
  box-shadow: 0 0 14px var(--med-cyan-glow);
}
.sidebar-search-icon {
  margin-right: 8px;
  font-size: 0.85rem;
  opacity: 0.7;
}
.sidebar-search-input {
  width: 100%;
  height: 38px;
  background: transparent;
  border: none;
  color: var(--text-pure);
  font-family: var(--font-ui);
  font-size: 0.84rem;
  outline: none;
}
.sidebar-search-input::placeholder {
  color: var(--text-subtle);
  font-size: 0.8rem;
}
.sidebar-search-clear {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0 4px;
}

/* HUD Contador de Láminas */
.sidebar-hud-meta {
  display: flex;
  justify-content: space-between;
  padding: 8px 18px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: rgba(3, 7, 18, 0.4);
  border-bottom: 1px solid var(--glass-border-subtle);
}
.sidebar-hud-meta strong {
  color: var(--unmsm-gold-light);
}

/* Contenedor de Scroll de Capítulos y Semanas */
.sidebar-scroll-tree {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 10px 40px;
  scrollbar-width: thin;
  scrollbar-color: rgba(56, 189, 248, 0.25) transparent;
}
.sidebar-scroll-tree::-webkit-scrollbar {
  width: 5px;
}
.sidebar-scroll-tree::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
}

/* Acordeón de Unidades */
.sidebar-unit-group {
  margin-bottom: 10px;
  border: 1px solid var(--glass-border-subtle);
  border-radius: var(--radius-md);
  background: rgba(11, 22, 45, 0.35);
  overflow: hidden;
}
.sidebar-unit-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: none;
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}
.sidebar-unit-header:hover {
  background: rgba(255, 255, 255, 0.06);
}
.sidebar-unit-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
  margin-right: 8px;
}
.sidebar-chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}
.sidebar-unit-group.expanded .sidebar-chevron {
  transform: rotate(90deg);
}

/* Contenedor de Semanas */
.sidebar-unit-body {
  display: none;
  padding: 4px 6px 8px;
}
.sidebar-unit-group.expanded .sidebar-unit-body {
  display: block;
}

/* Tarjeta de Semana dentro de la Unidad */
.sidebar-week-node {
  margin-bottom: 4px;
  border-radius: var(--radius-sm);
  background: rgba(4, 9, 20, 0.4);
  border: 1px solid transparent;
}
.sidebar-week-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.sidebar-week-trigger:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}
.sidebar-week-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--med-cyan);
  margin-right: 6px;
}
.sidebar-week-title-text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-week-exam-badge {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.65rem;
}

/* Lista de Diagnósticos / Láminas de la Semana */
.sidebar-slides-sublist {
  display: none;
  list-style: none;
  padding: 2px 4px 6px 14px;
  margin: 0;
  border-left: 2px solid rgba(255, 255, 255, 0.08);
  margin-left: 14px;
}
.sidebar-week-node.expanded .sidebar-slides-sublist {
  display: block;
}
.sidebar-slide-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  margin: 2px 0;
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.74rem;
  line-height: 1.3;
  transition: var(--transition-fast);
  cursor: pointer;
}
.sidebar-slide-link:hover {
  background: rgba(56, 189, 248, 0.12);
  color: #ffffff;
  transform: translateX(3px);
}
.sidebar-slide-link.active-slide {
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.25) 0%, rgba(16, 185, 129, 0.12) 100%);
  color: #ffffff;
  border-left: 3px solid var(--med-cyan);
  font-weight: 700;
  box-shadow: 0 0 12px var(--med-cyan-glow);
}
.sidebar-slide-code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--med-cyan);
  flex-shrink: 0;
}
.sidebar-slide-diag {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-slide-icon {
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* Resaltador de búsqueda Von Restorff */
mark.search-match {
  background: rgba(212, 175, 55, 0.35);
  color: #fef08a;
  padding: 0 2px;
  border-radius: 2px;
  font-weight: 700;
  text-shadow: 0 0 6px rgba(212, 175, 55, 0.8);
}

/* Botón flotante móvil (Thumb Zone) */
.thumb-menu-fab {
  display: none;
}
@media (max-width: 768px) {
  .thumb-menu-fab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: fixed;
    bottom: 24px;
    left: 20px;
    z-index: 150;
    height: 48px;
    padding: 0 18px;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.92), rgba(16, 185, 129, 0.92));
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.45);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .thumb-menu-fab:active {
    transform: scale(0.95);
  }
}