/**
 * Tema: Cristal PRO Light
 * Basado EXACTAMENTE en style.css de referencia
 */

:root {
  /* Colores del diseño original */
  --fg: #0f172a;
  --muted: #475569;
  --brand: #2744f8;
  --brand2: #1f37d6;
  --bg: #eef1f5;
  --white: 255, 255, 255;
  --tint: 39, 68, 248;
  --radius: 18px;
  
  --shadow-soft: 0 10px 25px rgba(2,6,23,.07), 0 2px 8px rgba(2,6,23,.05);
  --shadow-glass: 0 24px 60px rgba(2,6,23,.18), inset 0 1px 0 rgba(255,255,255,.65);
  
  /* Compatibilidad con variables existentes */
  --primary: var(--brand);
  --primary-dark: #1f37d6;
  --secondary: #1f2937;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --dark: var(--fg);
  --light: #f8fafc;
  
  --text-primary: var(--fg);
  --text-secondary: var(--muted);
  --text-muted: #94a3b8;
  
  --glass-blur: 22px;
  --glass-border: rgba(255, 255, 255, 0.55);
}

/* === FONDO CON CUADRÍCULA === */
body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  color: var(--fg);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Cuadrícula de fondo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    linear-gradient(transparent 49%, rgba(0,0,0,.06) 50%, transparent 51%) 0 0/80px 80px,
    linear-gradient(90deg, transparent 49%, rgba(0,0,0,.06) 50%, transparent 51%) 0 0/80px 80px,
    var(--bg);
  opacity: .95;
}

/* Líneas curvas y círculos decorativos */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: .45;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 700' preserveAspectRatio='none'%3E%3Cpath d='M100 520 C 260 320, 520 560, 720 340 S 980 140, 1100 340' fill='none' stroke='%23b0b6c1' stroke-width='1.2'/%3E%3Cpath d='M180 610 C 340 450, 560 520, 800 520 S 1000 420, 1140 600' fill='none' stroke='%23b0b6c1' stroke-width='1.2'/%3E%3Ccircle cx='180' cy='520' r='5' fill='%23ffffff' stroke='%23b0b6c1' stroke-width='.8'/%3E%3Ccircle cx='300' cy='480' r='4' fill='%23ffffff' stroke='%23b0b6c1' stroke-width='.8'/%3E%3Ccircle cx='740' cy='360' r='5' fill='%23ffffff' stroke='%23b0b6c1' stroke-width='.8'/%3E%3Ccircle cx='860' cy='540' r='4' fill='%23ffffff' stroke='%23b0b6c1' stroke-width='.8'/%3E%3Ccircle cx='1040' cy='320' r='5' fill='%23ffffff' stroke='%23b0b6c1' stroke-width='.8'/%3E%3Ccircle cx='940' cy='420' r='4' fill='%23ffffff' stroke='%23b0b6c1' stroke-width='.8'/%3E%3C/svg%3E");
  background-size: cover;
  background-repeat: no-repeat;
}

/* Ocultar top-sheen */
.top-sheen {
  display: none !important;
}

/* === ANCHO DE CONTENEDOR === */
.page {
  width: min(1400px, 94vw) !important;
  max-width: 1400px !important;
  margin: 18px auto 28px !important;
  padding: 0 !important;
}

/* === NAVEGACIÓN === */
.main-nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1400px, 94vw);
  padding: 14px 18px;
  z-index: 1000;
  border-radius: var(--radius);
  
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  background:
    linear-gradient(to bottom right, rgba(var(--white),.42), rgba(var(--white),.20)),
    linear-gradient(to top left, rgba(var(--tint),.14), rgba(var(--tint),.06));
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: var(--shadow-glass);
}

.nav-container {
  padding: 0;
  max-width: 100%;
  margin: 0;
}

/* === CARDS CON GLASS EFFECT === */
.card,
.app-card,
.hero,
.about,
.dashboard-card,
.contact-card,
.users-table-card,
.form-card,
.profile-card,
.theme-card,
.login-card {
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  background:
    linear-gradient(to bottom right, rgba(var(--white),.42), rgba(var(--white),.20)),
    linear-gradient(to top left, rgba(var(--tint),.14), rgba(var(--tint),.06));
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius);
}

.card:hover,
.app-card:hover,
.dashboard-card:hover,
.theme-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(2,6,23,.12);
}

/* === APPS GRID - 4 COLUMNAS === */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (max-width: 1100px) {
  .apps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 800px) {
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .apps-grid {
    grid-template-columns: 1fr;
  }
}

/* === APP LOGO BOX === */
.app-logo-box {
  width: 100%;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.50);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06), var(--shadow-soft);
  border-radius: 14px;
  margin-bottom: 1rem;
}

.app-logo-box img {
  max-width: 85%;
  max-height: 160px;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(2,6,23,.12));
}

/* === APP CARD === */
.app-card {
  padding: 1.5rem;
  text-align: center;
  transition: transform .18s ease, box-shadow .18s ease;
}

.app-card h3 {
  font-family: 'Fredoka', 'Poppins', sans-serif;
  font-size: 1.25rem;
  margin: 0.75rem 0 0.5rem;
  color: var(--fg);
  font-weight: 700;
}

.app-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

/* === BOTONES === */
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  border: none;
  box-shadow: 0 10px 22px rgba(39,68,248,.22), 0 3px 10px rgba(2,6,23,.06);
  padding: 12px 28px;
  border-radius: 12px;
  color: white;
  font-weight: 800;
  transition: all 0.18s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(39,68,248,.28);
}

.btn-ghost {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(15,23,42,.12);
  color: var(--fg);
  padding: 10px 26px;
  border-radius: 12px;
  font-weight: 800;
  transition: all 0.18s ease;
  box-shadow: var(--shadow-soft);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(2,6,23,.12);
}

/* === PILL BADGES === */
.pill {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 3px 10px rgba(39,68,248,.22);
  padding: 6px 14px;
  border-radius: 12px;
  color: white;
  font-size: 0.85rem;
  font-weight: 700;
}

/* === STATS === */
.stat {
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  background:
    linear-gradient(to bottom right, rgba(var(--white),.42), rgba(var(--white),.20)),
    linear-gradient(to top left, rgba(var(--tint),.14), rgba(var(--tint),.06));
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.18s ease;
}

.stat:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(2,6,23,.15);
}

.stat strong {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat span {
  display: block;
  font-size: 0.95rem;
  color: var(--muted);
}

/* === CONTACT CARDS === */
.contact-card {
  padding: 2rem;
  text-align: center;
  transition: all 0.18s ease;
}

.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(2,6,23,.15);
}

.contact-icon {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 6px 18px rgba(39,68,248,.28);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin: 0 auto 1rem;
}

.contact-icon svg {
  width: 28px;
  height: 28px;
}

/* === FOOTER === */
.main-footer {
  margin: 22px auto 16px;
  width: min(1400px, 94vw);
  border-radius: var(--radius);
  padding: 26px 18px;
  color: rgba(15,23,42,.78);
  
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  background:
    linear-gradient(to bottom right, rgba(var(--white),.42), rgba(var(--white),.20)),
    linear-gradient(to top left, rgba(var(--tint),.14), rgba(var(--tint),.06));
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: var(--shadow-glass);
}

/* === FORMS === */
.form-input,
.form-select {
  border: 1px solid rgba(15,23,42,.12);
  border-radius: 12px;
  background: rgba(255,255,255,.8);
  padding: 12px 16px;
  box-shadow: var(--shadow-soft);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: rgba(39,68,248,.45);
  box-shadow: 0 0 0 4px rgba(39,68,248,.12);
}

/* === THEME TOGGLE === */
.theme-toggle {
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(255,255,255,.70);
  color: var(--fg);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
  box-shadow: var(--shadow-soft);
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(2,6,23,.12);
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  border-radius: 5px;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--brand2), var(--brand));
}