/* ═══════════════════════════════════════════════════════════════
   German Touma Auto Import — PROFESSIONAL DESIGN SYSTEM v2
   Premium automotive dealership — refined, powerful, elegant
   ═══════════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Core Palette */
  --gta-navy:       #0a0f1a;
  --gta-navy-2:     #0d1422;
  --gta-navy-3:     #141c2e;
  --gta-navy-4:     #1c2640;
  --gta-navy-5:     #243052;

  --gta-gold:       #c9a84c;
  --gta-gold-light: #ddc06a;
  --gta-gold-dark:  #a88a2e;
  --gta-gold-glow:  rgba(201, 168, 76, 0.25);

  --gta-red:        #DC2626;
  --gta-red-light:  #EF4444;
  --gta-red-dark:   #991b1b;

  --gta-chrome:     #d4d4d8;
  --gta-silver:     #a1a1aa;
  --gta-charcoal:   #f4f4f5;

  /* Text contrast (Fase A design system: elimina los rgba mágicos) */
  --text-primary:   #f4f4f5;
  --text-secondary: rgba(244,244,245,0.62);  /* texto secundario */
  --text-muted:     rgba(244,244,245,0.55);  /* texto atenuado (≥4.5:1 sobre navy) */
  --text-faint:     rgba(244,244,245,0.25);  /* texto decorativo */

  --gta-bg:         #0a0f1a;
  --gta-bg-warm:    #0d1422;
  --gta-bg-deep:    #060b15;   /* hero / secciones inmersivas (Fase A design system) */
  --gta-surface:    #141c2e;
  --gta-surface-hover: #1c2640;

  --gta-success:    #22c55e;
  --gta-warning:    #eab308;
  --gta-danger:     #ef4444;
  --gta-info:       #3b82f6;

  /* Estados de vehículo (design system; badges del catálogo) */
  --status-available: #22c55e;
  --status-sold:      #64748b;
  --status-transit:   #f59e0b;
  --status-held:      #38bdf8;

  /* Typography */
  --font-display:   'Playfair Display', Georgia, serif;
  --font-body:      'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;

  /* Spacing (8px base) */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:   0 8px 30px rgba(0,0,0,0.5);
  --shadow-xl:   0 16px 50px rgba(0,0,0,0.6);
  --shadow-gold: 0 4px 20px rgba(201,168,76,0.2);
  --shadow-red:  0 4px 20px rgba(220,38,38,0.25);

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Glassmorphism */
  --glass-bg: rgba(20, 28, 46, 0.85);
  --glass-border: rgba(255,255,255,0.06);
  --glass-blur: 20px;
}

/* ─── Base Reset ─── */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--gta-bg);
  font-family: var(--font-body);
  color: var(--gta-charcoal);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ─── Subtle Background Texture ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(201,168,76,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(220,38,38,0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(201,168,76,0.15); }
  50% { box-shadow: 0 0 40px rgba(201,168,76,0.3); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════
   NAVBAR — Glassmorphism Premium
   ═══════════════════════════════════════════════════════════════ */
.gta-navbar {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  position: relative;
}

.gta-navbar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gta-gold), transparent);
  opacity: 0.4;
}

.nav-divider-vertical {
  width: 1px;
  height: 24px;
  background: rgba(255,255,255,0.1);
  margin: 0 0.4rem;
  align-self: center;
}

.nav-icon { font-size: 0.85rem; margin-right: 0.2rem; }

/* Dropdown */
.gta-dropdown {
  background: var(--gta-surface) !important;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  padding: 0.4rem;
  min-width: 220px;
}

.gta-dropdown-header {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gta-red) !important;
  padding: 0.5rem 0.8rem 0.2rem;
  background: none !important;
}

.gta-dropdown-divider {
  border-color: var(--glass-border) !important;
  margin: 0.3rem 0.5rem;
}

.gta-dropdown .dropdown-item {
  color: #e4e4e7 !important;
  font-size: 0.85rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.gta-dropdown .dropdown-item:hover {
  background: rgba(220,38,38,0.15) !important;
  color: #fff !important;
  transform: translateX(4px);
}

.dropdown-menu-dark { background-color: var(--gta-surface) !important; border-color: var(--glass-border) !important; }
.dropdown-menu-dark .dropdown-item { color: #e4e4e7 !important; }
.dropdown-menu-dark .dropdown-item:hover { background-color: rgba(220,38,38,0.15) !important; color: #fff !important; }
.dropdown-menu-dark .dropdown-header { color: var(--gta-red) !important; }
.dropdown-menu-dark .dropdown-divider { border-color: var(--glass-border) !important; }

/* User Menu */
.gta-user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.8rem;
  height: 1.8rem;
  background: linear-gradient(135deg, var(--gta-red), var(--gta-red-dark));
  color: #fff;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 0.4rem;
  box-shadow: var(--shadow-red);
}

.gta-user-menu { display: flex; align-items: center; }
.gta-dropdown-user { min-width: 220px; }

.brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.03em;
  color: #fff;
}

.brand-gold { color: var(--gta-red); font-style: italic; }

.brand-logo {
  height: 2.4rem;
  width: auto;
  display: block;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.3));
  transition: transform var(--duration-normal) var(--ease-out);
}
.brand-logo:hover { transform: scale(1.05); }

.gta-navbar .nav-link {
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.gta-navbar .nav-link:hover {
  color: var(--gta-gold);
  background: rgba(201,168,76,0.06);
}

.navbar-search-input {
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  color: #fff !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.85rem;
}
.navbar-search-input::placeholder { color: rgba(255,255,255,0.35); }
.navbar-search-input:focus {
  background: rgba(255,255,255,0.12) !important;
  border-color: rgba(255,255,255,0.25) !important;
}
/* ─── Dashboard en vivo (SignalR) ─── */
@keyframes liveFlash {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}
.live-flash {
  animation: liveFlash 1.2s ease-out;
}