/* ==============================================================================
   BIENSOVIP.VN - PREMIUM MODERN THEME ENGINE (LIGHT & DARK DUAL MODE)
   ============================================================================== */

/* --- DARK THEME (DEFAULT / VIP LUXURY) --- */
:root,
[data-bs-theme="dark"] {
  --bg-main: #0a0e17;
  --bg-surface: #121929;
  --bg-surface-elevated: #1a233a;
  --bg-card: #131b2e;
  --bg-card-hover: #1b2640;
  --border-color: rgba(255, 255, 255, 0.12);
  --border-color-strong: rgba(255, 255, 255, 0.22);
  --border-gold: rgba(245, 158, 11, 0.55);
  --border-gold-subtle: rgba(245, 158, 11, 0.25);
  --bg-gold-subtle: rgba(245, 158, 11, 0.12);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-secondary: #cbd5e1;
  --text-gold: #fbbf24;
  --primary-amber: #f59e0b;
  --primary-amber-light: #fbbf24;
  --accent-blue: #38bdf8;
  --success-emerald: #10b981;
  --danger-rose: #f43f5e;
  --navbar-bg: rgba(10, 14, 23, 0.95);
  --footer-bg: #070a10;
  --input-bg: #0f172a;
  --input-border: #334155;
  --input-text: #f8fafc;
  --input-placeholder: #64748b;
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 20px 35px -5px rgba(0, 0, 0, 0.7), 0 0 20px rgba(245, 158, 11, 0.2);
}

/* --- LIGHT THEME (CLEAN & ELEGANT) --- */
[data-bs-theme="light"] {
  --bg-main: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-color: rgba(0, 0, 0, 0.1);
  --border-color-strong: rgba(0, 0, 0, 0.2);
  --border-gold: rgba(217, 119, 6, 0.55);
  --border-gold-subtle: rgba(217, 119, 6, 0.28);
  --bg-gold-subtle: rgba(245, 158, 11, 0.1);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-secondary: #475569;
  --text-gold: #d97706;
  --primary-amber: #d97706;
  --primary-amber-light: #f59e0b;
  --accent-blue: #0284c7;
  --success-emerald: #059669;
  --danger-rose: #e11d48;
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #ffffff;
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --input-text: #0f172a;
  --input-placeholder: #94a3b8;
  --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.1), 0 0 15px rgba(245, 158, 11, 0.15);
}

/* Base Body Styles */
body, body.app-body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main) !important;
  color: var(--text-main) !important;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Typography & Utilities */
.fw-black { font-weight: 900; }
.tracking-wider { letter-spacing: 0.05em; }

/* Text & Accent Colors */
.text-gold { color: var(--text-gold) !important; }
.text-amber-400 { color: var(--primary-amber-light) !important; }
.text-amber-500 { color: var(--primary-amber) !important; }
.bg-amber-500 { background-color: var(--primary-amber) !important; }

/* Contrast Boosts for Dark Mode (Khắc phục chữ bị chìm) */
[data-bs-theme="dark"] .text-muted { color: var(--text-muted) !important; }
[data-bs-theme="dark"] .text-secondary { color: var(--text-secondary) !important; }
[data-bs-theme="dark"] .border-secondary { border-color: var(--border-color) !important; }
[data-bs-theme="light"] .border-secondary { border-color: var(--border-color) !important; }
[data-bs-theme="light"] .text-white:not(.btn):not(.badge):not(.license-plate-real):not(.license-plate-real *) {
  color: #0f172a !important;
}

/* Hero Section */
.hero-section {
  background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(245, 158, 11, 0.15), transparent 75%), var(--bg-main);
  transition: background 0.3s ease;
}

/* Gold Gradient Text */
.gold-gradient-text {
  background: linear-gradient(135deg, #fcd34d 0%, #f59e0b 50%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Surface & Card Classes (Nổi bật, không bị chìm) */
.bg-surface {
  background-color: var(--bg-surface) !important;
  color: var(--text-main) !important;
}

.bg-surface-elevated {
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-main) !important;
}

.card {
  background-color: var(--bg-card) !important;
  color: var(--text-main) !important;
  border-color: var(--border-color) !important;
  box-shadow: var(--shadow-card);
}

.card-header {
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-main) !important;
  border-bottom: 1px solid var(--border-color) !important;
}

[data-bs-theme="dark"] .bg-dark {
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-main) !important;
}

[data-bs-theme="light"] .bg-dark {
  background-color: #f8fafc !important;
  color: #0f172a !important;
}

/* Gold Badges & Borders */
.border-gold { border-color: var(--border-gold) !important; }
.border-gold-subtle { border-color: var(--border-gold-subtle) !important; }
.bg-gold-subtle {
  background-color: var(--bg-gold-subtle) !important;
  color: var(--text-gold) !important;
}

/* Buttons */
.btn-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #0f172a !important;
  font-weight: 700;
  border: 1px solid #f59e0b;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transition: all 0.2s ease;
}

.btn-gold:hover, .btn-gold:focus {
  background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
  color: #000000 !important;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  transform: translateY(-1px);
}

.btn-outline-gold {
  color: var(--text-gold) !important;
  border: 1px solid var(--border-gold) !important;
  background-color: var(--bg-gold-subtle) !important;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-outline-gold:hover, .btn-outline-gold:focus {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) !important;
  color: #0f172a !important;
  border-color: #f59e0b !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

[data-bs-theme="light"] .btn-outline-light {
  color: #0f172a !important;
  border-color: #cbd5e1 !important;
  background-color: #ffffff !important;
}

[data-bs-theme="light"] .btn-outline-light:hover {
  background-color: #f1f5f9 !important;
  border-color: #94a3b8 !important;
  color: #000000 !important;
}

[data-bs-theme="dark"] .btn-outline-secondary {
  color: #e2e8f0 !important;
  border-color: rgba(255, 255, 255, 0.22) !important;
  background-color: rgba(255, 255, 255, 0.04) !important;
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
  background-color: rgba(255, 255, 255, 0.12) !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
  color: #ffffff !important;
}

[data-bs-theme="light"] .btn-outline-secondary {
  color: #334155 !important;
  border-color: #cbd5e1 !important;
  background-color: #ffffff !important;
}

[data-bs-theme="light"] .btn-outline-secondary:hover {
  background-color: #f1f5f9 !important;
  border-color: #94a3b8 !important;
  color: #0f172a !important;
}

.btn-amber {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-weight: 700;
  border: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.35);
}

.btn-amber:hover, .btn-amber:focus {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #000;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.45);
}

/* Inputs & Form Controls */
.form-control, .form-select, .input-group-text {
  background-color: var(--input-bg) !important;
  color: var(--input-text) !important;
  border-color: var(--input-border) !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-amber) !important;
  box-shadow: 0 0 0 0.25rem rgba(245, 158, 11, 0.25) !important;
}

.form-control::placeholder {
  color: var(--input-placeholder) !important;
  opacity: 1;
}

/* Auction Cards */
.auction-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}

.auction-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-card-hover);
}

/* ==============================================================================
   MÔ PHỎNG BIỂN SỐ XE VIỆT NAM THỰC TẾ
   ============================================================================== */
.license-plate-real {
  background: #ffffff !important;
  color: #111827 !important;
  border: 3.5px solid #1e293b;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  letter-spacing: 2px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.3);
  text-transform: uppercase;
  user-select: none;
}

[data-bs-theme="dark"] .license-plate-real {
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.15), 0 0 20px rgba(255,255,255,0.06), 0 4px 15px rgba(0,0,0,0.6);
}

.license-plate-real::before,
.license-plate-real::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: #94a3b8;
  border-radius: 50%;
  border: 1px solid #475569;
}
.license-plate-real::before { left: 8px; top: 50%; transform: translateY(-50%); }
.license-plate-real::after { right: 8px; top: 50%; transform: translateY(-50%); }

.license-plate-lg {
  font-size: 2.2rem;
  padding: 14px 34px;
  border-width: 4px;
  border-radius: 12px;
}

.license-plate-md {
  font-size: 1.45rem;
  padding: 8px 24px;
}

.license-plate-sm {
  font-size: 1.1rem;
  padding: 4px 16px;
  border-width: 2.5px;
}

/* Đèn nháy nhấp nháy cho LIVE */
.pulse-dot {
  position: relative;
  display: inline-flex;
}
.pulse-dot::before {
  content: '';
  position: absolute;
  left: -2px;
  top: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 4px;
  background: inherit;
  animation: pulse-ring 1.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  opacity: 0.6;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.8; }
  70% { transform: scale(1.3); opacity: 0; }
  100% { transform: scale(1.4); opacity: 0; }
}

.countdown-digit {
  font-family: 'Montserrat', monospace;
  font-weight: 800;
  color: var(--primary-amber-light);
}

.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #64748b;
}
.status-indicator.online {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* Bảng lịch sử đấu giá Realtime */
.bid-history-table {
  background: var(--bg-surface);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.bid-history-table th {
  background: var(--bg-surface-elevated);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 12px 16px;
  border: none;
}

.bid-history-table td {
  padding: 12px 16px;
  border-color: var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.bid-history-table tbody tr:first-child {
  background: var(--bg-gold-subtle);
  font-weight: 600;
}

.bid-history-table tbody tr:first-child td {
  color: var(--text-gold);
}

.btn-quick-bid {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.btn-quick-bid:hover {
  background: var(--bg-gold-subtle);
  border-color: var(--primary-amber);
  color: var(--text-gold);
}

.hover-white:hover {
  color: var(--primary-amber) !important;
}

/* Dropdown Menu Theme Styling */
[data-bs-theme="light"] .dropdown-menu-dark {
  background-color: #ffffff !important;
  color: #0f172a !important;
  border-color: rgba(0, 0, 0, 0.1) !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
}
[data-bs-theme="light"] .dropdown-menu-dark .dropdown-item {
  color: #1e293b !important;
}
[data-bs-theme="light"] .dropdown-menu-dark .dropdown-item:hover {
  background-color: #f1f5f9 !important;
  color: #0f172a !important;
}
[data-bs-theme="light"] .dropdown-menu-dark .dropdown-divider {
  border-color: rgba(0, 0, 0, 0.08) !important;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-gold) !important;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: var(--bg-gold-subtle);
  border-color: var(--border-gold);
  transform: translateY(-1px);
}

@keyframes price-flash {
  0% { transform: scale(1); color: #fbbf24; }
  50% { transform: scale(1.08); color: #22c55e; }
  100% { transform: scale(1); color: #fbbf24; }
}

.scale-flash {
  animation: price-flash 0.5s ease;
}

/* Pulse Animations for Live Badges & Indicators */
.pulse-live {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #ef4444;
  border-radius: 50%;
  position: relative;
  vertical-align: middle;
}

.pulse-live::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border: 2px solid #ef4444;
  border-radius: 50%;
  animation: pulse-ring 1.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

.pulse-badge {
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
  animation: pulse-badge-anim 2s infinite ease-in-out;
}

@keyframes pulse-badge-anim {
  0%, 100% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.5); }
  50% { box-shadow: 0 0 18px rgba(239, 68, 68, 0.85); }
}

/* Flash Animations for Price Updates */
.flash-gold {
  animation: flash-gold-glow 0.8s ease;
}

@keyframes flash-gold-glow {
  0% { transform: scale(1); filter: drop-shadow(0 0 0px #fbbf24); }
  50% { transform: scale(1.06); filter: drop-shadow(0 0 14px #fbbf24); color: #fbbf24; }
  100% { transform: scale(1); filter: drop-shadow(0 0 0px #fbbf24); }
}

/* Quick Bid Step Buttons */
.btn-quick-step {
  background: var(--bg-surface-elevated) !important;
  border: 1px solid var(--border-color-strong) !important;
  color: var(--text-main) !important;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-quick-step:hover {
  border-color: var(--primary-amber) !important;
  background: var(--bg-gold-subtle) !important;
  color: var(--text-gold) !important;
  transform: translateY(-1px);
}

/* Nav Pills (Tài khoản - Làm nổi bật tab đang active, không bị chìm) */
.nav-pills .nav-link {
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  transition: all 0.2s ease;
}

.nav-pills .nav-link:hover {
  color: var(--text-main);
  background: var(--bg-surface-elevated);
}

.nav-pills .nav-link.active,
.nav-pills .show > .nav-link {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  color: #000000 !important;
  font-weight: 700 !important;
  border-color: #f59e0b !important;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35) !important;
}

.nav-pills .nav-link.active i,
.nav-pills .nav-link.active span {
  color: #000000 !important;
}

/* Table Dual Theme Styling (Đảm bảo bảng hiển thị hoàn hảo ở cả 2 chế độ) */
[data-bs-theme="dark"] .table,
[data-bs-theme="dark"] .table-dark {
  --bs-table-bg: var(--bg-card) !important;
  --bs-table-striped-bg: rgba(255, 255, 255, 0.02) !important;
  --bs-table-hover-bg: rgba(255, 255, 255, 0.05) !important;
  --bs-table-border-color: var(--border-color) !important;
  --bs-table-color: var(--text-main) !important;
  color: var(--text-main) !important;
}

[data-bs-theme="dark"] .table th,
[data-bs-theme="dark"] .table-dark th {
  background-color: var(--bg-surface-elevated) !important;
  color: var(--text-muted) !important;
}

[data-bs-theme="light"] .table-dark {
  --bs-table-bg: #ffffff !important;
  --bs-table-striped-bg: #f8fafc !important;
  --bs-table-hover-bg: #f1f5f9 !important;
  --bs-table-border-color: #e2e8f0 !important;
  --bs-table-color: #0f172a !important;
  color: #0f172a !important;
}

[data-bs-theme="light"] .table-dark th {
  background-color: #f8fafc !important;
  color: #64748b !important;
  border-bottom: 2px solid #e2e8f0 !important;
}

[data-bs-theme="light"] .table-dark td {
  border-bottom: 1px solid #e2e8f0 !important;
  color: #1e293b !important;
}

/* Section Backgrounds Alternating */
[data-bs-theme="light"] section.bg-dark {
  background-color: #f8fafc !important;
}

[data-bs-theme="dark"] section.bg-dark {
  background-color: rgba(18, 25, 41, 0.7) !important;
}

/* Pagination Styling */
.page-link {
  background-color: var(--bg-surface) !important;
  color: var(--text-main) !important;
  border-color: var(--border-color) !important;
  transition: all 0.2s ease;
}

.page-link:hover {
  background-color: var(--bg-gold-subtle) !important;
  color: var(--text-gold) !important;
  border-color: var(--primary-amber) !important;
}

.page-item.disabled .page-link {
  opacity: 0.5;
  background-color: var(--bg-surface) !important;
  color: var(--text-muted) !important;
}

/* Alert Dark Override */
[data-bs-theme="dark"] .alert-dark {
  background-color: var(--bg-surface-elevated) !important;
  border-color: var(--border-color-strong) !important;
  color: var(--text-main) !important;
}

[data-bs-theme="light"] .alert-dark {
  background-color: #f8fafc !important;
  border-color: #cbd5e1 !important;
  color: #0f172a !important;
}

/* Inset Data Tiles (p-2.bg-dark, p-3.bg-dark) Inside Cards */
[data-bs-theme="dark"] .p-2.bg-dark,
[data-bs-theme="dark"] .p-3.bg-dark {
  background-color: rgba(255, 255, 255, 0.04) !important;
  border-color: rgba(255, 255, 255, 0.14) !important;
}

[data-bs-theme="light"] .p-2.bg-dark,
[data-bs-theme="light"] .p-3.bg-dark {
  background-color: #f8fafc !important;
  border-color: #e2e8f0 !important;
}

/* Navbar Links Contrast */
[data-bs-theme="dark"] .navbar .nav-link {
  color: #cbd5e1;
}
[data-bs-theme="dark"] .navbar .nav-link:hover,
[data-bs-theme="dark"] .navbar .nav-link:focus {
  color: #ffffff;
}

[data-bs-theme="light"] .navbar .nav-link {
  color: #475569;
}
[data-bs-theme="light"] .navbar .nav-link:hover,
[data-bs-theme="light"] .navbar .nav-link:focus {
  color: #0f172a;
}