/* ── Tokens de diseño — Intranet Transworld (rediseño) ── */

:root {
  color-scheme: light;

  /* Tipografía */
  --font-sans: 'Instrument Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Paleta corporativa */
  --corp-blue: #0f4c81;
  --corp-blue-light: #2a6ba8;
  --corp-blue-dark: #0b3a63;
  --corp-green: #a6d84a;
  --corp-green-dark: #5c8f1d;
  --corp-green-muted: rgba(166, 216, 74, 0.16);

  /* Alias con la nomenclatura del diseño (misma paleta, otro nombre) */
  --brand: var(--corp-blue);
  --brand-deep: var(--corp-blue-dark);
  --brand-soft: #e8f0f8;
  --green: var(--corp-green);
  --green-deep: var(--corp-green-dark);
  --green-soft: #f0f8dd;
  --ink: #0d1f33;
  --muted: #51637a;
  --subtle: #8494a7;
  --surface2: #eef2f6;
  --border2: #d3dce6;
  --nav-bg: rgba(11, 58, 99, 0.88);

  /* Superficies base — tarjetas planas, no glassmorphism */
  --color-bg: #f5f7fa;
  --color-bg-image-opacity: 0;
  --color-surface: #ffffff;
  --color-surface-muted: #eef2f6;
  --color-surface-elevated: #ffffff;
  --color-border: #e3e9f0;
  --color-border-strong: #d3dce6;
  --color-text: #0d1f33;
  --color-text-muted: #51637a;
  --color-text-subtle: #8494a7;
  --color-heading: #0b3a63;
  --color-link: #0f4c81;
  --color-input-bg: #ffffff;
  --color-input-text: #0d1f33;
  --color-overlay: rgba(13, 31, 51, 0.55);

  /* Superficies "glass" — mantenidas casi opacas para el look plano nuevo;
     los componentes que aún usan backdrop-filter (header, login) siguen viéndose bien. */
  --glass-bg: rgba(255, 255, 255, 0.94);
  --glass-bg-strong: #ffffff;
  --glass-bg-gradient: linear-gradient(145deg, #ffffff 0%, #fbfcfe 100%);
  --glass-blur-filter: blur(12px) saturate(1.15);
  --glass-bg-dark: rgba(11, 36, 64, 0.82);
  --glass-border: #e3e9f0;
  --glass-border-outer: rgba(15, 76, 129, 0.06);
  --glass-border-subtle: rgba(255, 255, 255, 0.25);
  --glass-blur: 12px;
  --glass-blur-strong: 18px;
  --glass-radius: 16px;
  --glass-radius-sm: 12px;
  --glass-shadow: 0 1px 2px rgba(13, 31, 51, 0.05), 0 4px 16px rgba(13, 31, 51, 0.05);
  --glass-shadow-lg: 0 4px 8px rgba(13, 31, 51, 0.06), 0 16px 40px rgba(13, 31, 51, 0.12);
  --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);

  /* Fondo global — plano, sin mesh */
  --app-background: none;
  --bg-gradient: none;
  --bg-gradient-glow: none;

  /* Sombras */
  --shadow: var(--glass-shadow);
  --shadow-lg: var(--glass-shadow-lg);
  --shadow-card: 0 2px 8px rgba(13, 31, 51, 0.05), 0 8px 22px rgba(13, 31, 51, 0.06);
  --shadow-card-lg: 0 8px 20px rgba(13, 31, 51, 0.08), 0 16px 34px rgba(13, 31, 51, 0.08);

  /* Indicadores de estado */
  --up: #3c9a5f;
  --down: #d05c5c;
  --status-up: #3c9a5f;
  --status-down: #d05c5c;
  --status-equal: #8494a7;
}

/* ── Modo oscuro ── */
html[data-theme="dark"] {
  color-scheme: dark;

  --corp-blue: #79b4e8;
  --corp-blue-light: #a9cff2;
  --corp-blue-dark: #a9cff2;
  --corp-green: #a6d84a;
  --corp-green-dark: #bce36e;
  --corp-green-muted: rgba(166, 216, 74, 0.13);

  --brand: var(--corp-blue);
  --brand-deep: var(--corp-blue-dark);
  --brand-soft: rgba(121, 180, 232, 0.12);
  --green: var(--corp-green);
  --green-deep: var(--corp-green-dark);
  --green-soft: rgba(166, 216, 74, 0.13);
  --ink: #e8eef6;
  --muted: #9fb0c4;
  --subtle: #6b7d93;
  --surface2: #18253a;
  --border2: rgba(255, 255, 255, 0.16);
  --nav-bg: rgba(5, 12, 24, 0.92);

  --color-bg: #0a1220;
  --color-bg-image-opacity: 0;
  --color-surface: #111c2e;
  --color-surface-muted: #18253a;
  --color-surface-elevated: #111c2e;
  --color-border: rgba(255, 255, 255, 0.09);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --color-text: #e8eef6;
  --color-text-muted: #9fb0c4;
  --color-text-subtle: #6b7d93;
  --color-heading: #a9cff2;
  --color-link: #79b4e8;
  --color-input-bg: #18253a;
  --color-input-text: #e8eef6;
  --color-overlay: rgba(0, 5, 15, 0.75);

  --glass-bg: rgba(17, 28, 46, 0.92);
  --glass-bg-strong: #111c2e;
  --glass-bg-gradient: linear-gradient(145deg, #131f33 0%, #101a2b 100%);
  --glass-blur-filter: blur(12px) saturate(1.1);
  --glass-bg-dark: rgba(5, 15, 30, 0.75);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-border-outer: rgba(255, 255, 255, 0.04);
  --glass-border-subtle: rgba(255, 255, 255, 0.06);
  --glass-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
  --glass-shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.35), 0 16px 48px rgba(0, 0, 0, 0.5);
  --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.06);

  --app-background: none;
  --bg-gradient: none;
  --bg-gradient-glow: none;

  --shadow: var(--glass-shadow);
  --shadow-lg: var(--glass-shadow-lg);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2), 0 8px 22px rgba(0, 0, 0, 0.18);
  --shadow-card-lg: 0 8px 22px rgba(0, 0, 0, 0.28), 0 16px 36px rgba(0, 0, 0, 0.24);

  --up: #6cc78d;
  --down: #e07f7f;
  --status-up: #6cc78d;
  --status-down: #e07f7f;
}

/* ── Fondo global (intranet; login conserva blanco propio) ── */
html {
  min-height: 100%;
}

body:not(.login-split-page) {
  background-color: var(--color-bg) !important;
  background-image: var(--app-background) !important;
  background-attachment: fixed !important;
  background-repeat: no-repeat !important;
  background-size: cover !important;
  min-height: 100vh;
}

main {
  background: transparent !important;
}

/* ── Utilidad glass ── */
.glass-card {
  background: var(--glass-bg-gradient);
  backdrop-filter: var(--glass-blur-filter);
  -webkit-backdrop-filter: var(--glass-blur-filter);
  border: 1px solid var(--glass-border);
  outline: 1px solid var(--glass-border-outer);
  outline-offset: -1px;
  border-radius: var(--glass-radius);
  box-shadow: var(--shadow-card);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass-card {
    background: var(--glass-bg-strong);
  }
}

.glass-card--strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
}

.glass-card--dark {
  background: var(--glass-bg-dark);
  border-color: var(--glass-border-subtle);
  color: #ffffff;
}

/* Botón de tema — oculto */
.theme-toggle,
.theme-toggle--mobile {
  display: none !important;
}

/* ── Cursos / Academy ── */
.btn-cursos,
.btn-dual.btn-cursos {
  background: var(--glass-bg-strong);
  color: var(--color-text);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.btn-cursos:hover,
.btn-dual.btn-cursos:hover {
  background: var(--color-surface-elevated);
}

.cursos-sidebar {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  box-shadow: var(--shadow-card-lg) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.cursos-sidebar .sidebar-brand {
  border-bottom-color: var(--color-border) !important;
}

.cursos-sidebar .sidebar-nav a {
  color: var(--color-text-muted) !important;
}

.cursos-sidebar .sidebar-nav a:hover {
  background: var(--color-surface-muted) !important;
  color: var(--color-heading) !important;
}

.cursos-sidebar .sidebar-nav a.active {
  background: var(--corp-green-muted) !important;
  color: var(--color-heading) !important;
}

.cursos-sidebar .sidebar-buttons {
  border-top-color: var(--color-border) !important;
}

.cursos-sidebar .btn-volver-intranet {
  background: var(--color-surface-muted) !important;
  color: var(--color-text) !important;
  border-color: var(--color-border-strong) !important;
}

.cursos-sidebar .btn-volver-intranet:hover {
  background: var(--color-surface-elevated) !important;
}

.cursos-welcome .welcome-title {
  color: var(--color-heading) !important;
}

.cursos-welcome .welcome-text {
  color: var(--color-text) !important;
}

.cursos-welcome .ppt-frame {
  border-color: var(--color-border) !important;
  box-shadow: var(--shadow-card-lg) !important;
}

/* ── Procesos — tarjetas ── */
.card-opcion-exec,
.folder-card-exec {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  box-shadow: var(--shadow-card) !important;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card-opcion-exec:hover,
.folder-card-exec:hover {
  background: var(--color-surface-elevated) !important;
  border-color: var(--color-border-strong) !important;
  box-shadow: var(--shadow-card-lg) !important;
  transform: translateY(-2px) scale(1.015);
}

.card-opcion-exec .card-title,
.folder-card-exec .folder-title-exec {
  color: var(--color-heading) !important;
}

.card-opcion-exec .card-desc {
  color: var(--color-text-muted) !important;
}

.folder-card-exec .folder-count {
  background: var(--corp-green-muted) !important;
  color: var(--color-text-muted) !important;
}

/* ── Sistema de animaciones de entrada (referencia de diseño) ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pop {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: none; }
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes cardIn {
  0% { opacity: 0; transform: translateX(-70px); }
  55% { opacity: 1; }
  100% { opacity: 1; transform: translateX(0); }
}
@keyframes itemUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes swapIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes cardPop {
  0% { opacity: 0; transform: translateY(26px) scale(0.97); }
  60% { opacity: 1; }
  100% { opacity: 1; transform: none; }
}
@keyframes galIn {
  from { opacity: 0; transform: scale(1.06); }
  to { opacity: 1; transform: none; }
}

/* Respetar preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}