/* ==========================================================================
   PURANI GAADI — 2014 MARUTI WAGONR LUXURY MUSIC PLATFORM
   World-Class Dark Luxury Glassmorphism & Cyber-Retro Design System
   ========================================================================== */

:root {
  --bg-dark: #04060a;
  --bg-surface: rgba(10, 15, 24, 0.75);
  --bg-surface-elevated: rgba(16, 22, 36, 0.88);
  --bg-card: rgba(14, 20, 32, 0.82);
  --bg-card-hover: rgba(26, 36, 56, 0.92);

  /* Amber & Gold Core Palette (2014 Vintage WagonR Glow) */
  --amber-warm: #ffaa33;
  --amber-gold: #d4a340;
  --amber-bright: #ffbe53;
  --amber-glow: rgba(255, 170, 51, 0.55);
  --amber-halo: rgba(255, 170, 51, 0.22);
  --amber-subtle: rgba(255, 170, 51, 0.08);

  /* Glassmorphism Borders & Shadows */
  --glass-dock: rgba(10, 14, 22, 0.94);
  --glass-modal: rgba(12, 17, 28, 0.97);
  --glass-border: rgba(212, 163, 64, 0.28);
  --glass-border-hover: rgba(255, 170, 51, 0.75);
  --glass-specular: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(212, 163, 64, 0.35) 50%, rgba(255, 170, 51, 0.05) 100%);
  --shadow-lux: 0 25px 60px rgba(0, 0, 0, 0.92), 0 0 35px rgba(255, 170, 51, 0.18);
  --shadow-card: 0 14px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 0, 0, 0.5);

  /* Typography */
  --text-ivory: #fcf8f0;
  --text-silver: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-serif: 'Cinzel', serif;
  --font-italic-serif: 'Playfair Display', serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-clean: 'Space Grotesk', sans-serif;

  /* Easing curves */
  --ease-lux: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Theme: Midnight Cyber Highway */
body[data-theme="midnight-neon"] {
  --amber-warm: #00f0ff;
  --amber-gold: #ff007f;
  --amber-bright: #38bdf8;
  --amber-glow: rgba(0, 240, 255, 0.6);
  --amber-halo: rgba(0, 240, 255, 0.25);
  --glass-border: rgba(0, 240, 255, 0.35);
  --glass-border-hover: rgba(255, 0, 127, 0.8);
}

/* Theme: Monsoon Night Drive */
body[data-theme="monsoon-rain"] {
  --amber-warm: #38bdf8;
  --amber-gold: #818cf8;
  --amber-bright: #60a5fa;
  --amber-glow: rgba(56, 189, 248, 0.55);
  --amber-halo: rgba(56, 189, 248, 0.2);
  --glass-border: rgba(56, 189, 248, 0.3);
}

/* Theme: Pure OLED Stealth */
body[data-theme="pure-oled"] {
  --bg-dark: #000000;
  --bg-surface: #060606;
  --bg-card: #0c0c0c;
  --glass-dock: #050505;
  --amber-warm: #f8fafc;
  --amber-gold: #cbd5e1;
  --amber-glow: rgba(255, 255, 255, 0.4);
  --glass-border: rgba(255, 255, 255, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  color: var(--text-silver);
  font-family: var(--font-body);
  -webkit-tap-highlight-color: transparent;
}

button, a, input, select, textarea, [onclick], .interactive-btn {
  cursor: pointer !important;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}
::-webkit-scrollbar-thumb {
  background: rgba(212, 163, 64, 0.4);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--amber-warm);
}

/* ==========================================================================
   TOP NAVIGATION BAR (FLOATING ULTRA-GLASS)
   ========================================================================== */
.top-nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 68px;
  background: rgba(5, 8, 14, 0.72);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(16px, 4vw, 48px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7);
}

.brand-logo-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: transform 0.25s var(--ease-spring);
}

.brand-logo-cluster:hover {
  transform: scale(1.02);
}

.brand-car-icon {
  font-size: 26px;
  filter: drop-shadow(0 0 10px var(--amber-glow));
  animation: carGlowPulse 3s infinite ease-in-out;
}

@keyframes carGlowPulse {
  0%, 100% { filter: drop-shadow(0 0 8px var(--amber-glow)); }
  50% { filter: drop-shadow(0 0 16px var(--amber-warm)); }
}

.brand-text-stack {
  display: flex;
  flex-direction: column;
}

.brand-headline {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 3px;
  color: #ffffff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 1.8px;
  color: var(--amber-gold);
}

/* Center Infotainment Navigation Tabs */
.nav-tabs-pill-container {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(14, 20, 32, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 36px;
  padding: 4px 6px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6), 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-clean);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.9px;
  padding: 7px 16px;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
  display: flex;
  align-items: center;
  gap: 7px;
  position: relative;
}

.nav-tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-tab-btn.active {
  background: linear-gradient(135deg, rgba(212, 163, 64, 0.35) 0%, rgba(255, 170, 51, 0.45) 100%);
  color: #ffffff;
  border: 1px solid var(--amber-warm);
  box-shadow: 0 0 16px var(--amber-halo);
  text-shadow: 0 0 8px var(--amber-glow);
}

/* Top Right Action Pills */
.top-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.action-pill-btn {
  background: rgba(14, 20, 32, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 6px 14px;
  color: var(--text-silver);
  font-family: var(--font-clean);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  transition: all 0.22s var(--ease-spring);
}

.action-pill-btn:hover {
  border-color: var(--amber-warm);
  color: #ffffff;
  background: rgba(255, 170, 51, 0.18);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--amber-halo);
}

.action-pill-btn.active {
  background: linear-gradient(135deg, var(--amber-warm) 0%, var(--amber-gold) 100%);
  color: #05070a;
  border-color: var(--amber-warm);
  box-shadow: 0 0 16px var(--amber-glow);
}

/* Real-Time Clock & 2014 Memories Badge */
.clock-memories-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.clock-live-digits {
  color: #ffffff;
  font-weight: 700;
  text-shadow: 0 0 6px var(--amber-glow);
}

/* User Profile Badge */
.user-profile-badge {
  background: linear-gradient(135deg, rgba(16, 22, 34, 0.95) 0%, rgba(8, 12, 20, 0.98) 100%);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 4px 14px 4px 5px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.user-profile-badge:hover {
  border-color: var(--amber-warm);
  box-shadow: 0 0 20px var(--amber-halo);
  transform: translateY(-1px);
}

.user-avatar-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--amber-gold);
  object-fit: cover;
  box-shadow: 0 0 8px var(--amber-glow);
}

/* ==========================================================================
   GLOBAL FLOATING BOTTOM MUSIC DOCK (PERSISTENT & ACCESSIBLE)
   ========================================================================== */
.global-bottom-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--glass-dock);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-top: 1px solid var(--glass-border);
  z-index: 1000;
  padding: 8px clamp(16px, 4vw, 48px) 10px clamp(16px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.9);
}

/* Track Progress Rail */
.dock-progress-wrapper {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dock-progress-rail {
  flex: 1;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  transition: height 0.15s ease;
}

.dock-progress-rail:hover {
  height: 7px;
}

.dock-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--amber-gold), var(--amber-warm));
  border-radius: 4px;
  box-shadow: 0 0 10px var(--amber-glow);
  position: relative;
}

.dock-progress-fill::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px var(--amber-glow);
  opacity: 0;
  transition: opacity 0.15s;
}

.dock-progress-rail:hover .dock-progress-fill::after {
  opacity: 1;
}

.dock-time-readout {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--text-muted);
  min-width: 32px;
}

/* Main Controls Row */
.dock-main-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.dock-track-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
  max-width: 340px;
  cursor: pointer;
  transition: transform 0.2s;
}

.dock-track-info:hover {
  transform: translateX(2px);
}

.dock-album-art {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  border: 1.5px solid var(--glass-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.7);
  flex-shrink: 0;
}

.dock-track-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dock-track-title {
  font-size: 13.5px;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dock-track-artist {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Center Player Action Cluster */
.dock-center-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dock-ctrl-btn {
  background: transparent;
  border: none;
  color: var(--text-silver);
  font-size: 16px;
  padding: 6px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}

.dock-ctrl-btn:hover {
  color: #ffffff;
  transform: scale(1.15);
  text-shadow: 0 0 10px var(--amber-glow);
}

.dock-ctrl-btn.active {
  color: var(--amber-warm);
  text-shadow: 0 0 12px var(--amber-glow);
}

.dock-play-circle-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber-warm) 0%, var(--amber-gold) 100%);
  color: #05070a;
  border: none;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0 20px var(--amber-glow);
  transition: all 0.25s var(--ease-spring);
}

.dock-play-circle-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(255, 170, 51, 0.85);
}

/* Dock Right Actions */
.dock-right-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Toast System */
.app-toast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1.5px solid var(--glass-border);
  border-radius: 16px;
  padding: 10px 22px;
  color: #ffffff;
  font-family: var(--font-clean);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.9), 0 0 25px var(--amber-halo);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--ease-spring);
  z-index: 99999;
}

.app-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-success { border-color: #10b981; }
.toast-warn { border-color: var(--amber-warm); }
.toast-error { border-color: #ef4444; }

/* Responsive */
@media (max-width: 860px) {
  .top-nav-bar { padding: 0 14px; height: 60px; }
  .nav-tabs-pill-container { display: none; }
  .brand-tagline { display: none; }
  .clock-memories-pill { display: none; }
  .dock-track-info { min-width: 130px; }
  .dock-right-actions { display: none; }
}