/* ==========================================================================
   FinanceXLab — Layout
   Estructura de pantalla completa: shell (topbar + sidebar + contenido),
   pantallas de entrada/auth, grids responsive. Mobile-first.
   Depende de tokens.css + components.css.
   ========================================================================== */

:root {
  --topbar-height: 64px;
  --sidebar-width: 260px;
  --sidebar-width-collapsed: 64px;
}

/* Menú hamburguesa abierto en mobile (html.sidebar-menu-abierto, ver
   setSidebarAbierto() en layout.js): bloquea el scroll del fondo, que
   antes seguía siendo scrolleable detrás del overlay, y oculta el botón
   flotante de la calculadora, que por su z-index (1050) quedaba por
   encima del overlay y del propio sidebar (400). */
html.sidebar-menu-abierto,
html.sidebar-menu-abierto body {
  overflow-y: hidden;
}
html.sidebar-menu-abierto #calc-boton-flotante {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Pantalla de entrada ------------------------------------------------ */

.entrada-screen {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  gap: 40px;
}

.entrada-hero {
  text-align: center;
  max-width: 100%;
  min-width: 0;
}

.entrada-logo {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.entrada-logo-icono {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 16px rgba(139, 92, 246, 0.5));
}

.entrada-subtitulo {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.entrada-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  width: 100%;
  max-width: 1000px;
}

@media (min-width: 768px) {
  .entrada-logo { font-size: 3rem; }
  .entrada-cards { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .entrada-logo { font-size: 28px; gap: 8px; }
  .entrada-logo-icono { width: 32px; height: 32px; }
}

.entrada-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  /* Mismo bug de grid que .lab-hub-card (ver lab.css): sin min-width:0 el
     item no se encoge por debajo del ancho de su contenido y se sale del
     track de 1fr — se nota en tablet, donde .entrada-cards ya pasó a 3
     columnas pero el sidebar todavía resta ancho real disponible. */
  min-width: 0;
}

.entrada-card-icono {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 4px;
}

.entrada-card p {
  min-height: 44px;
}

.entrada-card .btn-primary {
  margin-top: 10px;
  width: 100%;
}

.entrada-alumno-form {
  width: 100%;
  text-align: left;
  margin-top: 6px;
}
.entrada-alumno-form .btn-primary {
  margin-top: 14px;
}

.entrada-alumno-resultado {
  margin-top: 14px;
  padding: 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  text-align: left;
}
.entrada-alumno-resultado p {
  margin-bottom: 12px;
  font-size: 0.9rem;
}
.entrada-alumno-resultado-botones {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entrada-login-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.entrada-login-link a {
  color: var(--accent-blue);
  font-weight: 600;
}
.entrada-login-link a:hover { text-decoration: underline; }

/* ---- Pantallas de auth (login / registro) ------------------------------- */

.auth-screen {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  position: relative;
}

.auth-back {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 16px;
}
.auth-back:hover { color: var(--text-primary); }

/* ---- Onboarding (pantalla completa, sin shell) -------------------------- */

.onboarding-screen {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 20px;
  gap: 28px;
}

.onboarding-card {
  width: 100%;
  max-width: 560px;
  text-align: center;
}

.onboarding-opciones {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
  max-width: 560px;
}
@media (min-width: 640px) {
  .onboarding-opciones { grid-template-columns: repeat(3, 1fr); }
}
.onboarding-opcion {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
  font-family: var(--font-body);
  color: var(--text-primary);
}
.onboarding-opcion:hover {
  transform: translateY(-2px);
  border-color: var(--border-active);
}
.onboarding-opcion-icono { font-size: 2rem; }

.onboarding-progreso {
  display: flex;
  gap: 6px;
}
.onboarding-progreso-punto {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-elevated);
}
.onboarding-progreso-punto--activo { background: var(--accent-blue); }
.onboarding-progreso-punto--hecho { background: var(--accent-green); }
.onboarding-progreso-punto--correcta { background: var(--accent-green); }
.onboarding-progreso-punto--incorrecta { background: var(--accent-red); }

.onboarding-form {
  width: 100%;
  text-align: left;
}

.onboarding-pregunta {
  text-align: left;
  width: 100%;
}
.onboarding-pregunta-texto {
  font-size: 1.15rem;
  margin-bottom: 18px;
}
.onboarding-opciones-respuesta {
  display: grid;
  gap: 10px;
}
.onboarding-respuesta-btn {
  text-align: left;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.onboarding-respuesta-btn:hover { border-color: var(--border-active); }
.onboarding-respuesta-btn.correct { border-color: var(--accent-green); }
.onboarding-respuesta-btn.incorrect { border-color: var(--accent-red); }

.onboarding-resultado-mapa {
  display: grid;
  gap: 12px;
  width: 100%;
  margin: 20px 0;
}
.onboarding-resultado-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}
.onboarding-resultado-area .progress-bar { flex: 1; }

/* ---- Shell de la app (topbar + sidebar + contenido) --------------------- */

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  /* Vidrio sutil: un único elemento fijo, así que el costo del blur es
     insignificante — no se aplica a .card, que se repite por decenas. */
  background: rgba(15, 18, 41, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 500;
}

.topbar-izquierda {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex-shrink: 1;
}

@media (min-width: 480px) {
  .topbar-izquierda { gap: 24px; }
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}
.topbar-logo-icono {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.topbar-nav {
  display: none;
  align-items: center;
  gap: 18px;
}
.topbar-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
}
.topbar-nav a:hover,
.topbar-nav a.activo {
  color: var(--text-primary);
}

.topbar-derecha {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

@media (min-width: 480px) {
  .topbar-derecha { gap: 12px; }
}

/* En pantallas muy angostas, el wordmark y el sufijo "XP" ceden espacio
   para que racha + XP + modo + avatar siempre quepan sin desbordar. */
@media (max-width: 420px) {
  .topbar-logo-texto,
  .topbar-xp-label {
    display: none;
  }
}

.topbar-hamburguesa {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
}

.topbar-racha,
.topbar-xp {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.topbar-pill-prueba {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 12px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--accent-amber);
  border-radius: 99px;
  color: var(--accent-amber);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
.topbar-pill-prueba:hover { background: rgba(245, 158, 11, 0.2); }
.topbar-pill-prueba-texto { display: none; }
.topbar-pill-prueba-corto { display: inline; }
@media (min-width: 900px) {
  .topbar-pill-prueba-texto { display: inline; }
  .topbar-pill-prueba-corto { display: none; }
}

.topbar-modo-pill {
  position: relative;
}
.topbar-modo-pill-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 110px;
  height: 28px;
  padding: 0 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.topbar-modo-pill-btn:hover {
  border-color: var(--border-active);
  color: var(--text-primary);
}
.topbar-modo-pill-label { display: none; }

.topbar-modo-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  min-width: 140px;
  z-index: 600;
}
.topbar-modo-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--text-primary);
}
.topbar-modo-dropdown button:hover { background: var(--bg-card); }

.topbar-avatar {
  position: relative;
}
.topbar-avatar-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
}
.topbar-notif-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--accent-red);
  color: #fff;
  font-size: 0.65rem;
  line-height: 1;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
}
.topbar-notif-dropdown {
  min-width: 280px;
  max-width: 340px;
  max-height: 360px;
  overflow-y: auto;
}
.topbar-notif-item:hover { background: var(--bg-card); }

.topbar-avatar-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  min-width: 180px;
  z-index: 600;
}
.topbar-avatar-dropdown a,
.topbar-avatar-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.topbar-avatar-dropdown a:hover,
.topbar-avatar-dropdown button:hover { background: var(--bg-card); }

@media (min-width: 768px) {
  .topbar-nav { display: flex; }
  .topbar-hamburguesa { display: none; }
  .topbar-modo-pill-label { display: inline; }
  .topbar-modo-pill-btn { max-width: none; }
}

/* ---- Sidebar --------------------------------------------------------- */

.sidebar {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-card);
  border-right: 1px solid var(--border-subtle);
  overflow-y: auto;
  padding: 16px 8px;
  transform: translateX(-100%);
  transition: transform 0.25s ease, width 0.2s ease;
  z-index: 400;
}

.sidebar.sidebar--open {
  transform: translateX(0);
}

.sidebar-overlay {
  position: fixed;
  inset: var(--topbar-height) 0 0 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 350;
}

/* Debe coincidir con el breakpoint en el que desaparece
   .topbar-hamburguesa (768px, ver arriba) — si no, entre ese punto y este
   queda una "zona muerta" donde ni el botón hamburguesa ni el sidebar fijo
   existen, y el sidebar (fuera de pantalla por su transform) se vuelve
   inalcanzable. */
@media (min-width: 768px) {
  .sidebar {
    transform: translateX(0);
  }
  .sidebar.sidebar--colapsado {
    width: var(--sidebar-width-collapsed);
  }
  .sidebar-overlay { display: none; }
}

.sidebar-grupo {
  margin-bottom: 4px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-item:hover {
  color: var(--text-primary);
}
.sidebar-item.activo {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-left: 2px solid var(--border-active);
}
.sidebar-item-icono {
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 22px;
  text-align: center;
}
.sidebar-item-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.sidebar-item-estado { font-size: 0.85rem; flex-shrink: 0; }

.sidebar-submenu {
  margin-left: 18px;
  border-left: 1px solid var(--border-subtle);
  padding-left: 6px;
}
.sidebar-submenu .sidebar-item { font-size: 0.85rem; padding: 8px 12px; }

.sidebar-badge-activo {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.12);
  border-radius: 99px;
  padding: 2px 8px;
  flex-shrink: 0;
}

.sidebar.sidebar--colapsado .sidebar-item-label,
.sidebar.sidebar--colapsado .sidebar-item-estado,
.sidebar.sidebar--colapsado .sidebar-badge-activo,
.sidebar.sidebar--colapsado .sidebar-submenu {
  display: none;
}

.sidebar-toggle {
  display: none;
}
@media (min-width: 768px) {
  .sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    background: none;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
  }
  .sidebar-toggle:hover { color: var(--text-primary); border-color: var(--border-active); }
}

/* ---- Contenido principal ------------------------------------------------ */

.page-content {
  padding-top: var(--topbar-height);
  min-height: 100vh;
}

@media (min-width: 768px) {
  .page-content {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.2s ease;
  }
  .app-shell.shell--sidebar-colapsada .page-content {
    margin-left: var(--sidebar-width-collapsed);
  }
}

.page-content-inner {
  padding: 24px 20px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---- Dashboard: columnas ------------------------------------------------ */

.dashboard-columnas {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.dashboard-columnas > * {
  min-width: 0;
}
@media (min-width: 1024px) {
  .dashboard-columnas {
    grid-template-columns: minmax(0, 3fr) minmax(0, 4.5fr) minmax(0, 2.5fr);
  }
}

.panel-docente-columnas {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}
.panel-docente-columnas > * {
  min-width: 0;
}
@media (min-width: 900px) {
  .panel-docente-columnas {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  }
}