/* tema.css — revestimiento de Bootstrap 5 con el design system premium de COGEP
   (dark mode minimalista, inspirado en Apple/Linear/Notion/Stripe/Duolingo).
   Todo el layout/componentes vienen de Bootstrap; aquí se definen los tokens de
   color/tipografía/espaciado y unas pocas utilidades que Bootstrap no incluye. */

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

/* ============================================================
   TOKENS — paleta, radios, sombras (fuente única de verdad)
   ============================================================ */
:root,
[data-bs-theme="dark"] {
  --bs-body-bg: #0F1117;             /* Background */
  --bs-body-color: #F3F4F6;          /* texto principal (off-white) */
  --bs-emphasis-color: #ffffff;
  --bs-secondary-color: #9CA3AF;     /* texto secundario */
  --bs-tertiary-bg: rgba(255, 255, 255, 0.04);
  --bs-border-color: rgba(255, 255, 255, 0.08);
  --bs-border-color-translucent: rgba(255, 255, 255, 0.08);

  --bs-primary: #E8B85A;
  --bs-primary-rgb: 232, 184, 90;
  --bs-link-color: #E8B85A;
  --bs-link-hover-color: #F0C876;
  --bs-link-color-rgb: 232, 184, 90;
  --bs-link-hover-color-rgb: 240, 200, 118;

  --bs-success: #34D399;
  --bs-success-rgb: 52, 211, 153;
  --bs-warning: #F59E0B;
  --bs-warning-rgb: 245, 158, 11;
  --bs-danger: #EF5350;
  --bs-danger-rgb: 239, 83, 80;
  --bs-info: #7C93FF;                /* Accent */
  --bs-info-rgb: 124, 147, 255;

  --cogep-sidebar-bg: #12151C;       /* Sidebar */
  --cogep-panel: #171B23;            /* Surface */
  --cogep-hover: #1D2129;            /* Surface elevado / hover */
  --cogep-radio-sm: 12px;
  --cogep-radio: 16px;
  --cogep-radio-lg: 24px;
  --cogep-sombra: 0 4px 16px rgba(0, 0, 0, 0.35);
  --cogep-sombra-hover: 0 8px 28px rgba(0, 0, 0, 0.45);
  --cogep-dorado-2: #C99A42;
  --cogep-accent-2: #5C72E0;

  /* Alias de compatibilidad: mismos tokens de color que usan css/juego.css,
     css/simulador.css, css/libro.css y los 7 minijuegos (tablero de juego,
     simulador, libro). */
  --fondo-base:   #0F1117;
  --fondo-panel:  #171B23;
  --borde-glass:  rgba(255, 255, 255, 0.08);
  --dorado:       #E8B85A;
  --dorado-hover: #F0C876;
  --dorado-2:     #C99A42;
  --texto-prin:   #F3F4F6;
  --texto-sec:    #9CA3AF;
  --rojo:         #EF5350;
  --verde:        #34D399;
  --amarillo:     #F59E0B;
  --azul:         #7C93FF;
  --radio:        16px;
  --sombra:       0 4px 16px rgba(0, 0, 0, 0.35);
  --sombra-hover: 0 8px 28px rgba(0, 0, 0, 0.45);
  --trans:        all 0.2s cubic-bezier(.4, 0, .2, 1);
}

/* ============================================================
   ICONOS (Lucide) — se comportan como un glifo de texto: heredan
   color y tamaño de fuente, igual que los iconos de fuente de antes.
   Se usa el selector de atributo [data-lucide] porque persiste tanto
   en el <i> original como en el <svg> que Lucide inserta en su lugar
   (createIcons() copia el atributo), así que sirve en ambos estados.
   ============================================================ */
[data-lucide] {
  width: 1em;
  height: 1em;
  stroke-width: 2;
  vertical-align: -0.125em;
  flex-shrink: 0;
}

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */
body {
  font-family: 'Inter', sans-serif;
}
h1, h2, h3, .fuente-display {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}
a { text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   TARJETAS — borde sutil, sombra suave, se elevan al pasar el cursor
   ============================================================ */
.card {
  background: var(--cogep-panel);
  border: 1px solid var(--bs-border-color);
  border-radius: var(--cogep-radio);
  box-shadow: var(--cogep-sombra);
  transition: var(--trans);
}
.card.card-hover,
a.card:hover,
.card[data-hover="true"]:hover {
  transform: translateY(-3px);
  box-shadow: var(--cogep-sombra-hover);
  border-color: rgba(232, 184, 90, 0.25);
}

/* Glassmorphism ligero — topbar sticky y modales */
.glass {
  background: rgba(23, 27, 35, 0.65);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--bs-border-color);
}
html[data-a11y-modo="claro"] .badge.glass {
  background: rgba(255, 255, 255, 0.8) !important;
  border-color: rgba(0, 0, 0, 0.1) !important;
}

/* Números grandes de las tarjetas de estadísticas (dashboard) */
.stat-numero {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--bs-emphasis-color);
}
.stat-etiqueta {
  font-size: 0.8125rem;
  color: var(--bs-secondary-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  border-radius: var(--cogep-radio-sm);
  font-weight: 600;
  transition: var(--trans);
}
.btn:hover { transform: translateY(-1px); }
.btn-lg { border-radius: 14px; }
.btn-sm { border-radius: 10px; }
.btn-primary {
  --bs-btn-color: #0F1117;
  --bs-btn-bg: #E8B85A;
  --bs-btn-border-color: #E8B85A;
  --bs-btn-hover-bg: #F0C876;
  --bs-btn-hover-border-color: #F0C876;
  --bs-btn-hover-color: #0F1117;
  --bs-btn-active-bg: #F0C876;
  --bs-btn-active-border-color: #F0C876;
  box-shadow: 0 4px 14px rgba(232, 184, 90, 0.25);
}
.btn-primary:hover { box-shadow: 0 6px 18px rgba(232, 184, 90, 0.35); }
.btn-outline-primary {
  --bs-btn-color: #E8B85A;
  --bs-btn-border-color: #E8B85A;
  --bs-btn-hover-bg: #E8B85A;
  --bs-btn-hover-border-color: #E8B85A;
  --bs-btn-hover-color: #0F1117;
  --bs-btn-active-bg: #E8B85A;
}
.btn-outline-secondary {
  --bs-btn-color: #9CA3AF;
  --bs-btn-border-color: rgba(255, 255, 255, 0.14);
  --bs-btn-hover-bg: rgba(255, 255, 255, 0.08);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-border-color: rgba(255, 255, 255, 0.22);
}
html[data-a11y-modo="claro"] .btn-outline-secondary {
  --bs-btn-hover-color: #1F2430;
  --bs-btn-hover-bg: rgba(15, 17, 23, 0.08);
  --bs-btn-hover-border-color: rgba(15, 17, 23, 0.2);
}
.btn-danger {
  --bs-btn-bg: #EF5350;
  --bs-btn-border-color: #EF5350;
}
.btn-warning {
  --bs-btn-color: #0F1117;
  --bs-btn-bg: #F59E0B;
  --bs-btn-border-color: #F59E0B;
}
/* Botón "accent" (azul/violeta) — variante nueva que no existe en Bootstrap de fábrica */
.btn-accent {
  --bs-btn-color: #0F1117;
  --bs-btn-bg: #7C93FF;
  --bs-btn-border-color: #7C93FF;
  --bs-btn-hover-bg: #93A6FF;
  --bs-btn-hover-border-color: #93A6FF;
  --bs-btn-hover-color: #0F1117;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(124, 147, 255, 0.25);
}

/* ============================================================
   BARRA DE PROGRESO
   ============================================================ */
.progress {
  height: 10px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.06);
}
.progress-bar {
  background: linear-gradient(90deg, #E8B85A, #C99A42);
  border-radius: 999px;
}

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-control, .form-select {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--bs-border-color);
  border-radius: var(--cogep-radio-sm);
  color: #fff;
}
.form-control:focus, .form-select:focus {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.25rem rgba(232, 184, 90, 0.15);
  color: #fff;
}
.form-control::placeholder { color: rgba(255, 255, 255, 0.3); }
.form-label { font-size: 0.8125rem; font-weight: 500; color: var(--bs-secondary-color); }

/* Arreglar el fondo de las opciones en los <select> nativos de Windows */
.form-select option {
  background-color: #212529; /* Fondo oscuro por defecto */
  color: #fff;
}
html[data-a11y-modo="claro"] .form-select option {
  background-color: #fff;
  color: #212529;
}

/* Estado de error elegante para formularios (login/registro) */
.is-invalid-shake { animation: cogepShake 0.4s ease; }
@keyframes cogepShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* ============================================================
   TABLAS
   ============================================================ */
.table { color: #E5E7EB; }
.table > :not(caption) > * > * { background-color: transparent; }
.table thead { color: var(--bs-secondary-color); text-transform: uppercase; font-size: 12px; letter-spacing: .05em; }

/* ============================================================
   BARRA LATERAL (offcanvas en móvil, columna fija desde md)
   ============================================================ */
.cogep-sidebar {
  background: var(--cogep-sidebar-bg);
}
.cogep-sidebar .nav-link {
  color: var(--bs-secondary-color);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  position: relative;
  transition: var(--trans);
}
.cogep-sidebar .nav-link:hover {
  background: var(--cogep-hover);
  color: #fff;
  padding-left: 0.9rem;
}
.cogep-sidebar .nav-link.active {
  background: var(--cogep-hover);
  color: #fff;
}
/* Indicador dorado vertical del ítem activo del menú */
.cogep-sidebar .nav-link.active::before {
  content: '';
  position: absolute;
  left: -0.5rem;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  border-radius: 3px;
  background: var(--bs-primary);
}
@media (min-width: 768px) {
  .cogep-sidebar-col { position: sticky; top: 0; height: 100vh; overflow-y: auto; }
}

/* ============================================================
   LANDING / LOGIN — composición abstracta de gradientes (sin fotos)
   ============================================================ */
.cogep-hero {
  min-height: 70vh;
  background:
    radial-gradient(60% 50% at 15% 20%, rgba(232, 184, 90, 0.16) 0%, transparent 100%),
    radial-gradient(50% 45% at 90% 15%, rgba(124, 147, 255, 0.16) 0%, transparent 100%),
    var(--bs-body-bg);
  position: relative;
  overflow: hidden;
}
html[data-a11y-modo="claro"] .cogep-hero {
  background: radial-gradient(circle at center top, rgba(184, 134, 11, 0.08) 0%, rgba(255, 255, 255, 1) 70%);
}
.cogep-hero-bg { position: absolute; inset: 0; z-index: 0; }

/* Orbes de luz flotantes: dan movimiento ambiental al hero (glow que se
   desplaza lento). Generados con pseudo-elementos: no requieren tocar el
   HTML y heredan el apagado de animaciones por accesibilidad (ver
   accesibilidad.css, selector universal con !important). */
.cogep-hero::before,
.cogep-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
  pointer-events: none;
  will-change: transform;
  animation: cogepAurora 26s ease-in-out infinite;
}
.cogep-hero::before {
  top: -10%;
  left: -8%;
  background: radial-gradient(circle, rgba(232, 184, 90, 0.55) 0%, transparent 70%);
}
.cogep-hero::after {
  bottom: -15%;
  right: -8%;
  background: radial-gradient(circle, rgba(124, 147, 255, 0.5) 0%, transparent 70%);
  animation-duration: 32s;
  animation-delay: -9s;
}
html[data-a11y-modo="claro"] .cogep-hero::before,
html[data-a11y-modo="claro"] .cogep-hero::after {
  opacity: 0.16;
}
@keyframes cogepAurora {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(5%, 6%) scale(1.08); }
  66%      { transform: translate(-4%, -3%) scale(0.95); }
}

.cogep-decorativa {
  position: relative; overflow: hidden;
  background:
    radial-gradient(70% 60% at 80% 20%, rgba(124, 147, 255, 0.18) 0%, transparent 100%),
    radial-gradient(60% 50% at 20% 85%, rgba(232, 184, 90, 0.14) 0%, transparent 100%),
    var(--bs-body-bg);
  min-height: 320px;
}

/* Motivo jurídico/abstracto animado (portada + login): iconos Lucide que
   flotan lentamente detrás del contenido. Respeta prefers-reduced-motion /
   accesibilidad. Se selecciona por [data-lucide] (no por tag) porque el
   elemento pasa de <i> a <svg> al ejecutarse createIcons(). */
.cogep-motivo { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.cogep-motivo [data-lucide] {
  position: absolute;
  color: var(--bs-primary);
  opacity: 0.14;
  animation: cogepFlotar 16s ease-in-out infinite;
}

html[data-a11y-modo="claro"] .cogep-motivo [data-lucide] {
  color: #b8860b; /* Dorado principal */
  opacity: 0.5; /* Opacidad mucho mayor para asegurar que resalten sobre el blanco */
}
.cogep-motivo [data-lucide]:nth-child(1) { top: 10%;  left: 8%;  font-size: 3.25rem; animation-delay: 0s;  animation-duration: 15s; }
.cogep-motivo [data-lucide]:nth-child(2) { top: 62%;  left: 12%; font-size: 2.25rem; animation-delay: -4s; animation-duration: 19s; color: var(--bs-info); }
.cogep-motivo [data-lucide]:nth-child(3) { top: 18%;  left: 85%; font-size: 3.75rem; animation-delay: -7s; animation-duration: 17s; }
.cogep-motivo [data-lucide]:nth-child(4) { top: 72%;  left: 80%; font-size: 2.5rem;  animation-delay: -10s; animation-duration: 21s; color: var(--bs-info); }
.cogep-motivo [data-lucide]:nth-child(5) { top: 22%;  left: 28%; font-size: 2.75rem; animation-delay: -2s; animation-duration: 23s; }
@keyframes cogepFlotar {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-24px) rotate(6deg); }
}

/* ============================================================
   CONFETI — window.confetiCogep en app.js (examen/test aprobado)
   ============================================================ */
.cogep-confeti {
  position: fixed;
  top: -12px;
  width: 9px;
  height: 14px;
  border-radius: 2px;
  z-index: 99990;
  pointer-events: none;
  animation: cogepCaerConfeti linear forwards;
}
@keyframes cogepCaerConfeti { to { transform: translateY(110vh) rotate(720deg); opacity: 0.6; } }

/* ============================================================
   TOASTS — window.toastCogep(mensaje, tipo) en app.js
   ============================================================ */
#toast-stack {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 99995;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(340px, calc(100vw - 40px));
}
.toast-cogep {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--cogep-radio);
  background: rgba(23, 27, 35, 0.85);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--bs-border-color);
  box-shadow: var(--cogep-sombra-hover);
  color: var(--bs-body-color);
  font-size: 0.875rem;
  animation: toastEntra 0.3s cubic-bezier(.22,.9,.32,1.1) both;
}
.toast-cogep.saliendo { animation: toastSale 0.25s ease both; }
.toast-cogep [data-lucide] { flex-shrink: 0; margin-top: 0.125em; }
.toast-cogep.ok   [data-lucide] { color: var(--bs-success); }
.toast-cogep.error[data-lucide],
.toast-cogep.error [data-lucide] { color: var(--bs-danger); }
.toast-cogep.info [data-lucide] { color: var(--bs-info); }
@keyframes toastEntra { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastSale  { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(24px); } }

/* ============================================================
   SKELETON LOADERS
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,.04) 25%, rgba(255,255,255,.09) 37%, rgba(255,255,255,.04) 63%);
  background-size: 400% 100%;
  border-radius: var(--cogep-radio-sm);
  animation: skeletonPulse 1.6s ease infinite;
}
@keyframes skeletonPulse { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ============================================================
   ESTADOS VACÍOS
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--bs-secondary-color);
}
.empty-state [data-lucide] {
  width: 2.5rem; height: 2.5rem;
  color: var(--bs-secondary-color);
  opacity: 0.5;
  margin-bottom: 12px;
}
.empty-state p { margin-bottom: 16px; font-size: 0.9375rem; }

/* Resultados del buscador rápido (Ctrl+K) */
.br-item { border-bottom: 1px solid var(--bs-border-color); transition: background .15s ease; }
.br-item:last-child { border-bottom: none; }
.br-item:hover { background: rgba(255,255,255,0.04); }

/* ============================================================
   ANIMACIONES DE ENTRADA (Bootstrap no trae esto)
   ============================================================ */
@keyframes cogepFadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.anim-entrada { animation: cogepFadeUp .6s cubic-bezier(.22,.9,.32,1.1) both; }
.scroll-anim { opacity: 0; transform: translateY(20px); transition: opacity .8s ease, transform .8s ease; }
.scroll-anim.visible { opacity: 1; transform: translateY(0); }

footer.cogep-footer {
  border-top: 1px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
}