/* ═══════════════════════════════════════
   THEME VARIABLES
   ═══════════════════════════════════════ */
:root, [data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #0f0f0f;
  --bg-tertiary: #141414;
  --bg-elevated: #1a1a1a;
  --bg-card: #111111;
  --bg-input: #181818;
  --bg-hero: #000000;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-muted: #d1d5db;
  --border: rgba(255,255,255,0.06);
  --border-light: rgba(255,255,255,0.1);
  --border-active: rgba(255,255,255,0.15);
  --accent-gold: #c9a96e;
  --accent-gold-hover: #dbbd8a;
  --accent-gold-dim: rgba(201,169,110,0.1);
  --accent-gold-glow: rgba(201,169,110,0.2);
  --success: #10b981;
  --success-dim: rgba(16,185,129,0.12);
  --warning: #f59e0b;
  --warning-dim: rgba(245,158,11,0.12);
  --danger: #ef4444;
  --danger-dim: rgba(239,68,68,0.12);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
  --shadow-gold: 0 4px 24px rgba(201,169,110,0.1);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f8f8f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f3f4f6;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f3f4f6;
  --bg-hero: #1a1a1a;
  --text-primary: #111111;
  --text-secondary: #525252;
  --text-muted: #9ca3af;
  --border: rgba(0,0,0,0.06);
  --border-light: rgba(0,0,0,0.1);
  --border-active: rgba(0,0,0,0.15);
  --accent-gold: #b8944e;
  --accent-gold-hover: #a07d3a;
  --accent-gold-dim: rgba(184,148,78,0.08);
  --accent-gold-glow: rgba(184,148,78,0.15);
  --success: #059669;
  --success-dim: rgba(5,150,105,0.1);
  --warning: #d97706;
  --warning-dim: rgba(217,119,6,0.1);
  --danger: #dc2626;
  --danger-dim: rgba(220,38,38,0.1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.08);
  --shadow-gold: 0 4px 24px rgba(184,148,78,0.08);
}

/* ═══════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Override Bootstrap text-muted cho dark theme ── */
.text-muted { color: var(--text-muted) !important; }
small.text-muted { color: var(--text-muted) !important; }

/* ═══════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-active); }

/* ═══════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════ */
.navbar {
  background: rgba(0,0,0,0.5) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  transition: background 0.4s, var(--transition);
  z-index: 1030;
}

.navbar.scrolled {
  background: rgba(10,10,10,0.92) !important;
}

[data-theme="light"] .navbar {
  background: rgba(255,255,255,0.8) !important;
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(255,255,255,0.95) !important;
}

.navbar-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text-primary) !important;
  letter-spacing: 0.5px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.theme-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-btn:hover {
  color: var(--accent-gold);
  border-color: var(--accent-gold-glow);
  background: var(--accent-gold-dim);
}

.theme-icon-sun { display: none; }
.theme-icon-moon { display: block; }

[data-theme="light"] .theme-icon-sun { display: block; }
[data-theme="light"] .theme-icon-moon { display: none; }

.navbar .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.88rem;
  padding: 8px 16px !important;
  transition: var(--transition);
  position: relative;
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--text-primary) !important;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border-color: var(--border) !important;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════ */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  background: url('https://images.unsplash.com/photo-1631049307264-da0ec9d70304?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.5) 0%,
    rgba(0,0,0,0.3) 50%,
    var(--bg-primary) 100%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
  animation: heroFadeIn 1.2s ease-out;
}

.hero-subtitle {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 32px;
  line-height: 1.1;
  letter-spacing: 2px;
}

.hero-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--accent-gold);
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  transition: var(--transition);
  border-radius: var(--radius);
}

.hero-btn:hover {
  background: var(--accent-gold-hover);
  color: #1a1a1a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════
   BOOKING BAR
   ═══════════════════════════════════════ */
.booking-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: 24px 0;
}

[data-theme="light"] .booking-bar {
  background: rgba(255,255,255,0.9);
}

.booking-bar .form-label {
  color: var(--accent-gold);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.booking-bar .form-control,
.booking-bar .form-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.88rem;
  transition: var(--transition);
}

.booking-bar .form-control:focus,
.booking-bar .form-select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-dim);
  background: var(--bg-input);
  color: var(--text-primary);
}

.booking-bar .form-select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.booking-bar .btn-outline-secondary {
  border-color: var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
}

.booking-bar .btn-outline-secondary:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border-color: var(--border-active);
}

/* ═══════════════════════════════════════
   APP SHELL / MAIN CONTENT
   ═══════════════════════════════════════ */
.app-shell {
  padding: 40px 15px 40px;
}

.section-heading {
  text-align: center;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.section-heading p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.section-heading .badge {
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  font-size: 0.85rem;
  border-radius: var(--radius);
  padding: 6px 16px;
}

/* ═══════════════════════════════════════
   ROOM MAP PANEL
   ═══════════════════════════════════════ */
.room-map-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.room-map-panel h2 {
  font-family: var(--font-serif);
  color: var(--text-primary);
}

.room-map-panel p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* ═══════════════════════════════════════
   ROOM MAP GRID
   ═══════════════════════════════════════ */
.room-map {
  min-height: 100px;
}

/* Legend */
.map-legend span {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-right: 16px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.legend-dot.map-available { background: var(--success); }
.legend-dot.map-full { background: var(--danger); }
.legend-dot.map-maintenance { background: var(--warning); }

/* ═══════════════════════════════════════
   ROOM CARDS
   ═══════════════════════════════════════ */
.room-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.room-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold-glow);
}

.room-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.room-card:hover img {
  transform: scale(1.05);
}

.room-card .card-body {
  padding: 20px;
}

.room-card .card-body h2 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.room-card .card-body p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
}

.room-card .card-body strong {
  color: var(--accent-gold);
  font-size: 1rem;
}

.room-meta {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.amenity-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.amenity-list .badge {
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  font-size: 0.72rem;
  border-radius: 4px;
}

.room-card .btn-primary {
  background: var(--accent-gold);
  border: none;
  color: #1a1a1a;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.room-card .btn-primary:hover {
  background: var(--accent-gold-hover);
  color: #1a1a1a;
  transform: translateY(-1px);
}

/* Room Carousel */
.room-carousel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.room-card-carousel img {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.room-carousel-control {
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.5) !important;
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.3s;
}

.room-card:hover .room-carousel-control,
.room-carousel:hover .room-carousel-control {
  opacity: 1;
}

.carousel-control-prev { left: 8px; }
.carousel-control-next { right: 8px; }

.room-modal-carousel .room-carousel-control {
  opacity: 1;
  background: rgba(0,0,0,0.45) !important;
}
.room-modal-carousel .room-carousel-control:hover {
  background: rgba(0,0,0,0.65) !important;
}

html { scroll-behavior: smooth; }

.room-card:active { transform: scale(0.98); }

/* ═══════════════════════════════════════
   BADGES
   ═══════════════════════════════════════ */
.badge {
  border-radius: 4px;
  padding: 5px 12px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.3px;
}

.badge-soft-success {
  background: var(--success-dim);
  color: var(--success);
}

.badge-soft-warning {
  background: var(--warning-dim);
  color: var(--warning);
}

.badge-soft-danger {
  background: var(--danger-dim);
  color: var(--danger);
}

.badge-soft-secondary {
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
}

/* ═══════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════ */
.btn {
  border-radius: var(--radius);
  padding: 10px 22px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gold);
  border: none;
  color: #1a1a1a;
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
  color: #1a1a1a;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-secondary:hover {
  border-color: var(--border-active);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
}

.btn-outline-secondary {
  border-color: var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
}

.btn-outline-secondary:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border-color: var(--border-active);
}

/* ═══════════════════════════════════════
   MODALS
   ═══════════════════════════════════════ */
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: transparent;
}

.modal-header .modal-title {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--accent-gold);
}

.modal-header .btn-close {
  filter: brightness(0) invert(0.6);
  opacity: 0.6;
  transition: var(--transition);
}

[data-theme="dark"] .modal-header .btn-close {
  filter: brightness(0) invert(1);
  opacity: 0.5;
}

.modal-body {
  padding: 24px;
  color: var(--text-secondary);
}

.modal-body .form-label {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.78rem;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.modal-body .form-control,
.modal-body .form-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 11px 16px;
  font-size: 0.88rem;
  transition: var(--transition);
}

.modal-body .form-control:focus,
.modal-body .form-select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-dim);
  background: var(--bg-input);
  color: var(--text-primary);
}

.modal-body .form-select option {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body dt {
  color: var(--text-muted);
}

.modal-body dd {
  color: var(--text-primary);
}

.modal-body .badge {
  font-size: 0.75rem;
}

.modal-footer {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  gap: 8px;
}

.modal-backdrop.show {
  opacity: 0.6;
}

[data-theme="dark"] .modal-backdrop.show {
  opacity: 0.7;
}

/* ══ ROOM MODAL: FULL/MAINTENANCE BLOCK ══ */
.room-status-block {
  text-align: center;
  padding: 12px 0;
}
.room-status-block .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ══ REGISTER FORM: ROOM SUMMARY CARD ══ */
.register-room-card {
  display: flex;
  gap: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  transition: var(--transition);
}
.register-room-card:hover {
  border-color: var(--accent-gold-glow);
}
.register-room-img {
  width: 100px;
  height: 75px;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
}
.register-room-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.register-room-info h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-primary);
  margin: 0 0 4px;
}
.register-room-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.register-room-beds {
  display: flex;
  align-items: center;
  gap: 8px;
}
.register-room-beds .text-muted {
  font-size: 0.78rem;
}

/* ══ FORM DIVIDER ══ */
.form-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.form-divider span {
  white-space: nowrap;
}

/* ══ INPUT ICON GROUP ══ */
.input-icon-group {
  position: relative;
}
.input-icon-group .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  transition: color 0.25s;
  z-index: 3;
}
.input-icon-group .form-control.icon-input {
  padding-left: 42px;
}
.input-icon-group:focus-within .input-icon {
  color: var(--accent-gold);
}

/* ══ SUBMIT BUTTON ══ */
.btn-submit-icon {
  display: inline-flex;
  align-items: center;
}

/* ══ REGISTER FORM TWEAKS ══ */
#registerModal .modal-dialog {
  max-width: 600px;
}

/* ══ NEW ANIMATIONS ══ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 8px var(--accent-gold-glow); }
  50% { box-shadow: 0 0 24px var(--accent-gold-glow), 0 0 48px var(--accent-gold-dim); }
}
@keyframes countdownBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmerSlide {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes checkmarkStroke {
  to { stroke-dashoffset: 0; }
}
@keyframes rippleEffect {
  to { transform: scale(4); opacity: 0; }
}

/* ══ SCROLL REVEAL ══ */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ══ COUNTER ANIMATION ══ */
.smooth-counter {
  display: inline-block;
  transition: all 0.4s ease;
}

/* ══ RIPPLE BUTTON ══ */
.btn-ripple {
  position: relative;
  overflow: hidden;
}
.btn-ripple::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
  transform: scale(0);
  opacity: 1;
  pointer-events: none;
}
.btn-ripple:active::after {
  animation: rippleEffect 0.5s ease-out;
}

/* ═══════════════════════════════════════
   QR MODAL — NÂNG CẤP
   ═══════════════════════════════════════ */
#qrModal .modal-dialog {
  max-width: 680px;
}
#qrModal .modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
#qrModal .modal-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 24px;
}
#qrModal .modal-header .modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}
#qrModal .modal-body {
  padding: 28px;
}

.qr-panel {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 640px) {
  .qr-panel {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .qr-panel .qr-code-section {
    order: 1;
    max-width: 220px;
    margin: 0 auto;
  }
  .qr-panel .qr-info-section { order: 2; }
}

/* Left: QR Code */
.qr-code-section {
  text-align: center;
}
.qr-frame {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 12px;
  display: inline-block;
  animation: fadeInScale 0.5s ease-out, pulseGlow 3s ease-in-out infinite 0.5s;
}
.qr-frame img {
  width: 100%;
  max-width: 200px;
  height: auto;
  display: block;
  border-radius: var(--radius);
}
.qr-frame .qr-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.85);
  border-radius: var(--radius-lg);
  z-index: 2;
  transition: opacity 0.4s;
}
.qr-frame .qr-loader.hidden {
  opacity: 0;
  pointer-events: none;
}
.qr-code-label {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Countdown */
.qr-countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.qr-countdown .countdown-digits {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent-gold);
  min-width: 48px;
  text-align: center;
}
.qr-countdown.urgent .countdown-digits {
  color: var(--danger);
  animation: countdownBlink 1s ease-in-out infinite;
}
.qr-countdown.refresh-btn {
  cursor: pointer;
  transition: var(--transition);
}
.qr-countdown.refresh-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Right: Payment Info */
.qr-info-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Step Indicator */
.qr-step-indicator {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 4px;
}
.qr-step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}
.qr-step .step-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.qr-step.active .step-icon {
  background: var(--accent-gold);
  color: #1a1a1a;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 4px var(--accent-gold-dim);
}
.qr-step.done .step-icon {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.qr-step.active { color: var(--accent-gold); }
.qr-step.done { color: var(--success); }
.qr-step-line {
  flex: 1;
  height: 1px;
  background: var(--border);
  margin: 0 8px;
  min-width: 20px;
}
.qr-step.done + .qr-step-line { background: var(--success); }
.qr-step.active + .qr-step-line { background: var(--accent-gold); }

/* Glass Payment Card */
.qr-glass-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.qr-glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--accent-gold-dim), transparent 70%);
  pointer-events: none;
}
.qr-glass-card-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.qr-glass-card .info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  position: relative;
  z-index: 1;
}
.qr-glass-card .info-row:last-child {
  border-bottom: none;
}
.qr-glass-card .info-label {
  color: var(--text-muted);
  font-size: 0.82rem;
}
.qr-glass-card .info-value {
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
  word-break: break-all;
  max-width: 60%;
  font-size: 0.85rem;
}
.qr-glass-card .info-value.highlight {
  color: var(--accent-gold);
  font-size: 1rem;
}

/* Copy Button */
.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: none;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  margin-left: 8px;
  flex-shrink: 0;
  position: relative;
}
.copy-btn:hover {
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
}
.copy-btn.copied {
  color: var(--success);
  background: var(--success-dim);
}
.copy-tooltip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: var(--radius);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  border: 1px solid var(--border);
}
.copy-btn:hover .copy-tooltip,
.copy-btn.copied .copy-tooltip {
  opacity: 1;
}
.copy-btn.copied .copy-tooltip {
  background: var(--success-dim);
  color: var(--success);
  border-color: var(--success);
}

/* QR Success Toast in Modal */
.qr-success-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--success-dim);
  margin-bottom: 10px;
  animation: fadeInScale 0.4s ease-out;
}
.qr-success-check svg {
  stroke: var(--success);
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  animation: checkmarkStroke 0.4s ease-out 0.2s forwards;
}

/* QR Action Buttons */
.qr-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.qr-actions .btn {
  font-size: 0.8rem;
  padding: 7px 16px;
  border-radius: var(--radius);
}

/* ══ VIETQR SPECIFICS ══ */
/* VietQR Badge */
.vietqr-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.vietqr-badge strong {
  color: var(--accent-gold);
  font-weight: 700;
}
/* Amount Hero */
.qr-amount-hero {
  text-align: center;
  padding: 20px 16px;
  background: linear-gradient(135deg, var(--accent-gold-dim), transparent);
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-gold-glow);
  position: relative;
  overflow: hidden;
}
.qr-amount-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, var(--accent-gold-glow), transparent 70%);
  pointer-events: none;
}
.qr-amount-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}
.qr-amount-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.2;
  position: relative;
  z-index: 1;
}
/* Mono text */
.qr-glass-card .info-value.mono {
  font-family: 'Courier New', monospace;
  letter-spacing: 0.5px;
}
.qr-glass-card .info-value.small {
  font-size: 0.78rem;
  max-width: 55%;
}
/* Small glass card (no padding) */
.qr-glass-card-sm {
  padding: 12px 20px;
}
.qr-glass-card-sm .info-row {
  padding: 5px 0;
}
/* Refresh button */
.qr-refresh-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 10px auto 0;
  padding: 6px 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}
.qr-refresh-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
}
/* Note */
.qr-note {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 12px;
  border: 1px solid var(--border);
}

/* ═══════════════════════════════════════
   ROOM MAP — NÂNG CẤP
   ═══════════════════════════════════════ */
.room-map-panel {
  position: relative;
}

/* Floor Filter Tabs */
.map-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.map-filter-tabs .filter-pill {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.map-filter-tabs .filter-pill:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}
.map-filter-tabs .filter-pill.active {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #1a1a1a;
}

/* Floor Section */
.floor-section {
  margin-bottom: 20px;
}
.floor-section:last-child {
  margin-bottom: 0;
}
.floor-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  padding: 8px 0;
  position: relative;
}
.floor-header::before {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}
.floor-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to left, var(--border), transparent);
}
.floor-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  letter-spacing: 0.5px;
}
.floor-title svg {
  color: var(--accent-gold);
}

/* New Room Map Grid per floor */
.floor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

/* Redesigned Tile */
.room-map-tile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 12px 14px;
  text-align: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 110px;
}
.room-map-tile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border);
  transition: height 0.3s, background 0.3s;
  pointer-events: none;
}
.room-map-tile.map-available::before {
  background: var(--success);
}
.room-map-tile.map-full::before {
  background: var(--danger);
}
.room-map-tile.map-maintenance::before {
  background: var(--warning);
}
.room-map-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-gold-dim), transparent);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
  border-radius: var(--radius-lg);
}

/* Tile content */
.room-map-tile .tile-number {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
  letter-spacing: 0.5px;
  line-height: 1.2;
}
.room-map-tile .tile-status-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 2px 10px;
  border-radius: 10px;
  position: relative;
  z-index: 1;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.room-map-tile.map-available .tile-status-badge {
  background: var(--success-dim);
  color: var(--success);
  border-color: transparent;
}
.room-map-tile.map-full .tile-status-badge {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: transparent;
}
.room-map-tile.map-maintenance .tile-status-badge {
  background: var(--warning-dim);
  color: var(--warning);
  border-color: transparent;
}

/* Bed dots */
.tile-beds {
  display: flex;
  gap: 4px;
  position: relative;
  z-index: 1;
}
.tile-bed-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-active);
  transition: background 0.3s, transform 0.3s;
}
.tile-bed-dot.occupied {
  background: var(--accent-gold);
}
.tile-bed-dot.available {
  background: var(--success);
  animation: pulseGlow 2s ease-in-out infinite;
}

/* Hover Slide Preview */
.tile-hover-preview {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(8px);
  padding: 8px 10px;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  z-index: 2;
}
[data-theme="light"] .tile-hover-preview {
  background: rgba(255,255,255,0.92);
}
.room-map-tile:hover .tile-hover-preview {
  transform: translateY(0);
}
.room-map-tile:hover::after {
  opacity: 1;
}
.room-map-tile:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold-glow);
  box-shadow: var(--shadow-gold);
}
.room-map-tile:hover .tile-number {
  color: var(--accent-gold);
}

/* Tile entrance stagger */
.floor-grid .room-map-tile {
  opacity: 0;
  transform: translateY(16px);
}
.floor-grid .room-map-tile.tile-visible {
  animation: slideUp 0.4s ease-out forwards;
}

/* Responsive floor map */
@media (max-width: 576px) {
  .floor-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
  }
  .room-map-tile {
    padding: 12px 8px 10px;
    min-height: 95px;
  }
  .room-map-tile .tile-number {
    font-size: 1rem;
  }
}

/* Toast container luon tren modal backdrop + navbar */
#toastContainer {
  z-index: 1080 !important;
}

/* ═══════════════════════════════════════
   STATS BAR
   ═══════════════════════════════════════ */
.stats-bar {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-elevated) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold-glow), transparent);
}
.stats-bar .stat-item {
  text-align: center;
  padding: 8px;
}
.stats-bar .stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
}
.stats-bar .stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 4px;
}
.stats-bar .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}
.stats-bar .stat-plus {
  font-size: 1.6rem;
  vertical-align: super;
}

/* ═══════════════════════════════════════
   FEATURES GRID (Tiện ích)
   ═══════════════════════════════════════ */
.features-section {
  padding: 60px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transition: transform 0.35s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold-glow);
}
.feature-card:hover::before {
  transform: scaleX(1);
}
.feature-card .feature-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  transition: var(--transition);
  font-size: 1.4rem;
}
.feature-card:hover .feature-icon {
  background: var(--accent-gold);
  color: #1a1a1a;
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-gold-glow);
}
.feature-card h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* ═══════════════════════════════════════
   HERO INLINE STATS
   ═══════════════════════════════════════ */
.hero-stats-inline {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-sans);
  color: #ffffff;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(4px);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.12);
}
[data-theme="light"] .hero-stat {
  color: var(--text-primary);
  background: rgba(0,0,0,0.04);
  border-color: rgba(0,0,0,0.08);
}
.hero-stat svg {
  color: var(--accent-gold);
}

/* ═══════════════════════════════════════
   PRICE SHOWCASE
   ═══════════════════════════════════════ */
.price-section {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
/* Card */
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
}
.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold-glow);
}
/* Image area */
.price-card-img {
  height: 130px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.price-card-img::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
}
.price-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--accent-gold);
  color: #1a1a1a;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  z-index: 2;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.price-card-body {
  padding: 20px 20px 24px;
  text-align: center;
}
.price-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.price-type {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.price-capacity {
  font-size: 0.68rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 3px 10px;
  border-radius: 10px;
}
.price-amount {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.2;
  margin-bottom: 2px;
}
.price-per {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.price-amenities {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: center;
  margin-bottom: 18px;
}
.price-amenities span {
  font-size: 0.7rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 3px 9px;
  border-radius: 6px;
}
.price-btn {
  display: inline-block;
  padding: 10px 32px;
  background: var(--accent-gold);
  color: #1a1a1a;
  font-weight: 600;
  font-size: 0.82rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}
.price-btn:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-gold-glow);
}
@media (max-width: 576px) {
  .price-grid {
    grid-template-columns: 1fr;
  }
  .price-card-img {
    height: 100px;
  }
}

/* ═══════════════════════════════════════
   PAYMENT CONFIRM BUTTON
   ═══════════════════════════════════════ */
.payment-actions .btn-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  flex: 1;
  background: var(--success);
  color: #fff;
  border: none;
}
.payment-actions .btn-success:hover {
  background: #2e7d32;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--success-dim);
}
.payment-actions .btn-success:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ═══════════════════════════════════════
   WHY CHOOSE US
   ═══════════════════════════════════════ */
.why-section {
  background: var(--bg-secondary);
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
}
.why-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold-glow);
}
.why-card .why-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-gold-dim);
  line-height: 1;
  margin-bottom: 12px;
  transition: color 0.35s;
}
.why-card:hover .why-number {
  color: var(--accent-gold);
}
.why-card .why-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-gold-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  margin-bottom: 16px;
  transition: var(--transition);
}
.why-card:hover .why-icon-wrap {
  background: var(--accent-gold);
  color: #1a1a1a;
  box-shadow: 0 0 0 6px var(--accent-gold-dim);
}
.why-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.why-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ═══════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════ */
.testimonials-section {
  padding: 80px 0;
  position: relative;
}
.testimonials-section .section-heading {
  margin-bottom: 40px;
}
.testimonials-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 8px 4px 20px;
}
.testimonials-track::-webkit-scrollbar { display: none; }
.testimonial-card {
  flex: 0 0 340px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-gold-glow);
}
.testimonial-card .quote-icon {
  color: var(--accent-gold-dim);
  margin-bottom: 12px;
}
.testimonial-card blockquote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-card .testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.testimonial-card .testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-gold-dim);
}
.testimonial-card .testimonial-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}
.testimonial-card .testimonial-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}
.testimonial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border-active);
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.testimonial-dot.active {
  background: var(--accent-gold);
  width: 24px;
  border-radius: 4px;
}

/* ═══════════════════════════════════════
   CTA BANNER
   ═══════════════════════════════════════ */
.cta-banner {
  background: linear-gradient(135deg, #0f0f0f 0%, #1a1410 50%, #0f0f0f 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--accent-gold-glow) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner .cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}
.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.cta-banner p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 28px;
}
.cta-banner .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--accent-gold);
  color: #1a1a1a;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
}
.cta-banner .cta-btn:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-gold-glow);
}

/* Light theme overrides */
[data-theme="light"] .cta-banner {
  background: linear-gradient(135deg, #faf8f5 0%, #f5f0e8 50%, #faf8f5 100%);
}
[data-theme="light"] .cta-banner::before {
  background: radial-gradient(ellipse at center, rgba(184,148,78,0.08) 0%, transparent 70%);
}

/* ═══════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════ */
.about-section {
  background: var(--bg-secondary);
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.about-section .about-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 10px;
}

.about-section .about-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.about-section .about-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.92rem;
}

.about-section .about-btn {
  display: inline-block;
  padding: 12px 32px;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  margin-top: 24px;
  border-radius: var(--radius);
}

.about-section .about-btn:hover {
  background: var(--accent-gold);
  color: #1a1a1a;
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 100%;
}

.about-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.5s;
}

.about-grid img:hover {
  transform: scale(1.03);
}

.about-grid img:first-child {
  grid-row: 1 / 3;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.site-footer {
  background: #070707;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  color: var(--text-muted);
}

[data-theme="light"] .site-footer {
  background: #0f0f0f;
}

.site-footer .footer-brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.site-footer .footer-text {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.footer-heading {
  color: var(--accent-gold) !important;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.site-footer .footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer .footer-links li {
  margin-bottom: 8px;
}

.site-footer .footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.3s;
}

.site-footer .footer-links a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 32px;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.2);
}

/* ═══════════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ═══════════════════════════════════════
   SKELETON LOADING
   ═══════════════════════════════════════ */
.skeleton-box {
  display: inline-block;
  height: 1em;
  position: relative;
  overflow: hidden;
  background: var(--bg-input);
  border-radius: 4px;
  width: 100%;
}

.skeleton-box::after {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  transform: translateX(-100%);
  background-image: linear-gradient(
    90deg,
    transparent 0,
    rgba(255,255,255,0.03) 20%,
    rgba(255,255,255,0.06) 60%,
    transparent
  );
  animation: shimmer 2s infinite;
  content: '';
}

@keyframes shimmer {
  100% { transform: translateX(100%); }
}

/* ═══════════════════════════════════════
   TOAST OVERRIDES
   ═══════════════════════════════════════ */
.toast {
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  font-size: 0.85rem;
}

.toast .btn-close {
  filter: brightness(0) invert(0.6);
}

[data-theme="dark"] .toast .btn-close {
  filter: brightness(0) invert(1);
}

.text-bg-success {
  border-color: var(--success-dim) !important;
}

[data-theme="dark"] .text-bg-success {
  background: var(--success-dim) !important;
  color: var(--success) !important;
}

.text-bg-warning {
  border-color: var(--warning-dim) !important;
}

[data-theme="dark"] .text-bg-warning {
  background: var(--warning-dim) !important;
  color: var(--warning) !important;
}

.text-bg-danger {
  border-color: var(--danger-dim) !important;
}

[data-theme="dark"] .text-bg-danger {
  background: var(--danger-dim) !important;
  color: var(--danger) !important;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 576px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 0.68rem;
    letter-spacing: 3px;
  }

  .section-heading h2 {
    font-size: 1.6rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .about-grid img:first-child {
    grid-row: auto;
  }

  .about-section .about-title {
    font-size: 1.5rem;
  }
}

@media (min-width: 577px) and (max-width: 767px) {
  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .booking-bar {
    position: relative;
    padding: 20px 0;
  }

  .hero-section {
    height: auto;
    min-height: 70vh;
    padding-bottom: 0;
  }

  .room-map-panel {
    padding: 20px;
  }

  .register-room-card {
    flex-direction: column;
  }
  .register-room-img {
    width: 100%;
    height: 140px;
  }
  #registerModal .modal-dialog {
    max-width: 100%;
    margin: 0 12px;
  }
}

@media (min-width: 992px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: #1a1a1a;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  box-shadow: 0 4px 20px var(--accent-gold-glow);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 28px rgba(201,169,110,0.35);
}
@media (max-width: 576px) {
  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 38px;
    height: 38px;
  }
}

/* ═══════════════════════════════════════
   PAYMENT CHOICE MODAL
   ═══════════════════════════════════════ */
.payment-choice-intro {
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}
.payment-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.payment-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.payment-option::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-gold-dim), transparent);
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}
.payment-option:hover {
  border-color: var(--accent-gold-glow);
  transform: translateX(4px);
  box-shadow: var(--shadow-gold);
}
.payment-option:hover::before {
  opacity: 0.5;
}
.payment-option:active {
  transform: translateX(2px) scale(0.99);
}
.payment-option-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gold-dim);
  border-radius: var(--radius);
  color: var(--accent-gold);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}
.payment-option:hover .payment-option-icon {
  background: var(--accent-gold);
  color: #1a1a1a;
  transform: scale(1.08);
}
.payment-option-body {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}
.payment-option-body h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 3px;
}
.payment-option-body p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}
.payment-option-action {
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--accent-gold);
  color: #1a1a1a;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.78rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-gold:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-gold-glow);
}
.badge-warning {
  background: var(--warning-dim);
  color: var(--warning);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  margin-top: 4px;
  display: inline-block;
}

/* ═══════════════════════════════════════
   PAYMENT PAGE (payment.html)
   ═══════════════════════════════════════ */
.payment-page {
  background: var(--bg-primary);
  min-height: 100vh;
}
.payment-main {
  padding-top: 100px;
  padding-bottom: 60px;
}
.payment-header {
  text-align: center;
  margin-bottom: 40px;
}
.payment-header-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
}
.payment-header h1 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.payment-header p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}
.payment-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: start;
}
/* QR Section */
.payment-qr-section {
  position: sticky;
  top: 100px;
}
.payment-qr-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  text-align: center;
}
.payment-qr-frame {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 16px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.payment-qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.payment-qr-loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.85);
  transition: opacity 0.3s;
  z-index: 2;
}
.payment-qr-loader.hidden {
  opacity: 0;
  pointer-events: none;
}
.payment-vietqr-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.payment-vietqr-badge strong {
  color: var(--accent-gold);
  font-weight: 700;
}
.payment-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.payment-countdown-digits {
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}
.payment-countdown.urgent .payment-countdown-digits {
  color: var(--danger);
  animation: pulseBlink 1s ease-in-out infinite;
}
.payment-refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}
.payment-refresh-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
}
/* Info Section */
.payment-info-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.payment-amount-hero {
  text-align: center;
  padding: 28px 20px;
  background: linear-gradient(135deg, var(--accent-gold-dim), transparent);
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent-gold-glow);
  position: relative;
  overflow: hidden;
}
.payment-amount-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, var(--accent-gold-glow), transparent 70%);
  pointer-events: none;
}
.payment-amount-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}
.payment-amount-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.2;
  position: relative;
  z-index: 1;
}
.payment-glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}
.payment-glass-card-sm {
  padding: 14px 24px;
}
.payment-glass-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.payment-info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.payment-info-row:last-child {
  border-bottom: none;
}
.payment-info-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-shrink: 0;
  width: 90px;
}
.payment-info-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
  flex: 1;
  min-width: 0;
  word-break: break-all;
}
.payment-info-value.payment-mono {
  font-family: 'Courier New', monospace;
  letter-spacing: 0.5px;
}
.payment-note-text {
  font-size: 0.78rem;
  max-width: 55%;
}
.payment-copy-btn {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.payment-copy-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
}
.payment-copy-tooltip {
  display: none;
}
.payment-actions {
  display: flex;
  gap: 12px;
}
.payment-actions .btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
}
.payment-actions .btn-gold {
  background: var(--accent-gold);
  color: #1a1a1a;
  border: none;
}
.payment-actions .btn-gold:hover {
  background: var(--accent-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-gold-glow);
}
.payment-actions .btn-gold.copied {
  background: var(--success);
  color: #fff;
  box-shadow: 0 4px 20px var(--success-dim);
}
.payment-actions .btn-outline-secondary {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.payment-actions .btn-outline-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
}
.payment-note {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  font-size: 0.78rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.payment-back {
  text-align: center;
  margin-top: 48px;
}
.payment-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s;
}
.payment-back-link:hover {
  color: var(--accent-gold);
}
/* Payment page responsive */
@media (max-width: 768px) {
  .payment-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .payment-qr-section {
    position: static;
  }
  .payment-qr-frame {
    width: 180px;
    height: 180px;
  }
  .payment-header h1 {
    font-size: 1.4rem;
  }
  .payment-amount-value {
    font-size: 1.6rem;
  }
  .payment-actions {
    flex-direction: column;
  }
  .payment-glass-card {
    padding: 16px;
  }
  .payment-info-label {
    width: 70px;
    font-size: 0.72rem;
  }
  .payment-note-text {
    max-width: 100%;
  }
}
@media print {
  .navbar,
  .payment-header-icon,
  .payment-refresh-btn,
  .payment-actions,
  .payment-note,
  .payment-back,
  #toastContainer {
    display: none !important;
  }
  .payment-main {
    padding-top: 0;
    padding-bottom: 0;
  }
  .payment-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* Theme icon visibility */
.theme-icon-sun, .theme-icon-moon {
  transition: opacity 0.25s;
}
[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }