/* ==========================================================================
   Grand Kodla Hotel & Resort - Luxury Design System (Dark & Light Mode)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&display=swap');

:root {
  /* Renk Paleti - Dark Mode (Varsayılan Lüks Gece Konsepti) */
  --bg-body: #080c14;
  --bg-surface: #0f172a;
  --bg-card: #151e33;
  --bg-card-hover: #1b2742;
  --bg-input: #111a2e;
  --bg-glass: rgba(15, 23, 42, 0.75);
  --bg-glass-card: rgba(21, 30, 51, 0.85);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #d4af37;
  --border-light: rgba(255, 255, 255, 0.15);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-gold: #d4af37;

  --accent-gold: #d4af37;
  --accent-gold-hover: #e5c158;
  --accent-gold-glow: rgba(212, 175, 55, 0.25);
  --gold-gradient: linear-gradient(135deg, #d4af37 0%, #f59e0b 50%, #b45309 100%);
  --gold-gradient-hover: linear-gradient(135deg, #f59e0b 0%, #d4af37 100%);
  --dark-gradient: linear-gradient(180deg, rgba(8, 12, 20, 0.85) 0%, rgba(8, 12, 20, 0.98) 100%);

  --status-available: #10b981;
  --status-available-bg: rgba(16, 185, 129, 0.15);
  --status-busy: #ef4444;
  --status-busy-bg: rgba(239, 68, 68, 0.15);
  --status-pending: #f59e0b;
  --status-pending-bg: rgba(245, 158, 11, 0.15);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 30px -5px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 8px 25px rgba(212, 175, 55, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Tanımları */
[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f8fafc;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-card: rgba(255, 255, 255, 0.95);

  --border-color: #e2e8f0;
  --border-focus: #b48a28;
  --border-light: #cbd5e1;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #8392a5;
  --text-gold: #b48a28;

  --accent-gold: #b48a28;
  --accent-gold-hover: #966f1b;
  --accent-gold-glow: rgba(180, 138, 40, 0.2);
  --gold-gradient: linear-gradient(135deg, #c59b27 0%, #d97706 100%);
  --gold-gradient-hover: linear-gradient(135deg, #d97706 0%, #b48a28 100%);
  --dark-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.98) 100%);

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 35px -10px rgba(0, 0, 0, 0.12);
  --shadow-gold: 0 8px 25px rgba(180, 138, 40, 0.2);
}

/* ==========================================================================
   Temel Sıfırlama ve Tipografi
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  overflow-x: hidden;
  max-width: 100vw;
  position: relative;
}

body.has-bottom-nav {
  padding-bottom: calc(70px + env(safe-area-inset-bottom, 0px));
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Lüks Üst Menü (Navbar)
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-smooth);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo .brand-icon {
  width: 44px;
  height: 44px;
  background: var(--gold-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
  font-size: 22px;
  box-shadow: var(--shadow-gold);
}

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

.brand-logo .brand-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.brand-logo .brand-subtitle {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-gold);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-gradient);
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Dark/Light Tema Butonu */
.theme-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: scale(1.05);
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-gold {
  background: var(--gold-gradient);
  color: #0f172a;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: var(--gold-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.05);
}

.btn-danger {
  background: var(--status-busy-bg);
  color: var(--status-busy);
  border-color: rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: var(--status-busy);
  color: #fff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

/* Kullanıcı Profil Açılır Menüsü */
.user-menu-wrapper {
  position: relative;
}

.user-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.user-btn:hover {
  border-color: var(--accent-gold);
}

.user-btn img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 230px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  list-style: none;
  display: none;
  z-index: 150;
  animation: fadeIn 0.2s ease-in-out;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
  background: var(--bg-surface);
  color: var(--accent-gold);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-color);
  margin: 6px 0;
}

/* ==========================================================================
   Hero Bölümü & Rezervasyon Arama Çubuğu
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 24px 120px;
  background: url('https://images.unsplash.com/photo-1542314831-068cd1dbfeeb?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(8, 12, 20, 0.65) 0%, rgba(8, 12, 20, 0.92) 100%);
  backdrop-filter: blur(2px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.hero-title span {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: #cbd5e1;
  max-width: 680px;
  margin: 0 auto;
}

/* Lüks Rezervasyon Arama Çubuğu */
.booking-search-bar {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 1120px;
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
}

.search-form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.search-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.search-field label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-gold);
  display: flex;
  align-items: center;
  gap: 6px;
}

.search-field input,
.search-field select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-field input:focus,
.search-field select:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px var(--accent-gold-glow);
}

/* ==========================================================================
   İstatistik Şeridi
   ========================================================================== */
.stats-strip {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 36px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item h3 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-gold);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================================================
   Oda Kartları & Liste Düzeni
   ========================================================================== */
.section-padding {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 50px;
}

.section-subtitle {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-gold);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 16px;
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}

.room-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
}

.room-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-lg);
}

.room-card-img-wrap {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.room-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.room-card:hover .room-card-img-wrap img {
  transform: scale(1.08);
}

.room-badge-category {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #f8fafc;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.room-badge-discount {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--gold-gradient);
  color: #0f172a;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.room-status-badge {
  position: absolute;
  bottom: 14px;
  left: 16px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
}

.room-status-badge.available {
  background: rgba(16, 185, 129, 0.9);
  color: #ffffff;
}

.room-status-badge.maintenance {
  background: rgba(239, 68, 68, 0.9);
  color: #ffffff;
}

.room-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.room-card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.room-card-title a:hover {
  color: var(--text-gold);
}

.room-features-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin: 14px 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
}

.room-feature-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.room-feature-item i {
  color: var(--text-gold);
}

.room-amenities-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.amenity-tag {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.room-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.room-pricing {
  display: flex;
  flex-direction: column;
}

.price-unit {
  font-size: 12px;
  color: var(--text-muted);
}

.price-amount {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-gold);
  font-family: var(--font-sans);
}

.price-old {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
}

/* ==========================================================================
   Filtreleme Çubuğu (Odalar Sayfası)
   ========================================================================== */
.filter-bar-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-md);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
}

.category-tab-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.category-tab-btn:hover,
.category-tab-btn.active {
  background: var(--gold-gradient);
  color: #0f172a;
  border-color: transparent;
  font-weight: 600;
}

/* ==========================================================================
   Oda Detay Sayfası & Galeri
   ========================================================================== */
.room-gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gallery-main-img {
  height: 480px;
}

.gallery-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-sub-imgs {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 480px;
}

.gallery-sub-imgs img {
  width: 100%;
  height: calc(50% - 8px);
  object-fit: cover;
}

.detail-layout-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.detail-content-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 30px;
}

.detail-sidebar-sticky {
  position: sticky;
  top: 110px;
}

.booking-widget-card {
  background: var(--bg-card);
  border: 2px solid var(--accent-gold);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Rezervasyon & Satış (Checkout) & 3D Kredi Kartı
   ========================================================================== */
.checkout-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  align-items: start;
}

.checkout-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
}

/* 3D Sanal Kart */
.credit-card-preview {
  width: 100%;
  max-width: 380px;
  height: 220px;
  margin: 0 auto 28px;
  perspective: 1000px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 18px;
  transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
}

.credit-card-preview.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front, .card-back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 18px;
  backface-visibility: hidden;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #d4af37 120%);
  color: #ffffff;
  border: 1px solid rgba(212, 175, 55, 0.4);
}

.card-back {
  transform: rotateY(180deg);
  padding: 24px 0;
}

.card-magnetic-strip {
  width: 100%;
  height: 45px;
  background: #000000;
}

.card-cvv-box {
  padding: 0 24px;
  text-align: right;
}

.card-cvv-strip {
  background: #ffffff;
  color: #000000;
  padding: 8px 12px;
  font-family: monospace;
  font-size: 16px;
  letter-spacing: 2px;
  display: inline-block;
  border-radius: 4px;
}

.card-chip {
  width: 44px;
  height: 32px;
  background: linear-gradient(135deg, #ffd700 0%, #daa520 100%);
  border-radius: 6px;
}

.card-number-display {
  font-size: 19px;
  font-family: monospace;
  letter-spacing: 2px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.card-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  text-transform: uppercase;
}

/* ==========================================================================
   Form Elemanları
   ========================================================================== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px var(--accent-gold-glow);
}

/* ==========================================================================
   Flash Mesajlar & Bildirimler
   ========================================================================== */
.flash-alert {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
}

.flash-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.flash-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.flash-warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #f59e0b;
}

/* ==========================================================================
   Alt Bölüm (Footer)
   ========================================================================== */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-gold);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-gold);
  transform: translateX(4px);
  display: inline-block;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================================================
   Admin Paneli Özel Stilleri
   ========================================================================== */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.admin-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 30px;
}

.admin-menu a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.admin-menu a:hover,
.admin-menu a.active {
  background: var(--gold-gradient);
  color: #0f172a;
  font-weight: 600;
}

.admin-content {
  padding: 36px 40px;
  background: var(--bg-body);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.admin-table th {
  background: var(--bg-surface);
  padding: 14px 18px;
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-gold);
  border-bottom: 1px solid var(--border-color);
}

.admin-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-primary);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: var(--bg-surface);
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 480px) {
  .auth-card {
    padding: 24px 18px;
  }
}

/* ==========================================================================
   Tablo & Mobil Sarıcılar
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.table-responsive .admin-table {
  border: none;
  border-radius: 0;
  min-width: 620px;
}

/* ==========================================================================
   Lüks Mobil Alt Menü (Bottom Navigation Bar)
   ========================================================================== */
.mobile-bottom-nav {
  display: none;
}

.admin-mobile-topbar {
  display: none;
}

.admin-mobile-bottom-nav {
  display: none;
}

.admin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 30px;
  max-width: 100%;
  box-sizing: border-box;
}

.admin-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.admin-room-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* ==========================================================================
   Mobil ve Duyarlı Tasarım (Responsive)
   ========================================================================== */
@media (max-width: 1024px) {
  .search-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .detail-layout-grid,
  .checkout-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .admin-layout {
    display: block !important;
    width: 100% !important;
    max-width: 100vw !important;
    min-width: 0 !important;
    overflow-x: hidden !important;
  }
  .admin-sidebar {
    display: none !important;
  }
  .admin-content {
    display: block !important;
    width: 100% !important;
    max-width: 100vw !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    padding: 16px 12px 85px !important;
    overflow-x: hidden !important;
  }

  /* Admin Mobil Üst Çubuğu */
  .admin-mobile-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 90;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* Admin Mobil Alt Menü */
  .admin-mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(64px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.35);
    z-index: 1000;
    align-items: center;
    justify-content: space-around;
  }

  .admin-mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 10px;
    font-weight: 500;
    gap: 4px;
    position: relative;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
  }

  .admin-mobile-nav-item i {
    font-size: 18px;
    transition: transform var(--transition-fast), color var(--transition-fast);
  }

  .admin-mobile-nav-item:active i {
    transform: scale(0.9);
  }

  .admin-mobile-nav-item.active {
    color: var(--text-gold);
    font-weight: 700;
  }

  .admin-mobile-nav-item.active i {
    color: var(--text-gold);
    filter: drop-shadow(0 2px 6px var(--accent-gold-glow));
  }

  .admin-mobile-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    width: 28px;
    height: 3px;
    background: var(--gold-gradient);
    border-radius: 0 0 3px 3px;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
  }
}

@media (max-width: 768px) {
  /* Üst Menü Sadeleştirme (Taşmaları Önle) */
  .nav-links {
    display: none;
  }

  .nav-inner {
    height: 64px;
  }

  .brand-logo .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .brand-logo .brand-title {
    font-size: 17px;
  }

  .brand-logo .brand-subtitle {
    font-size: 8px;
    letter-spacing: 1px;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-actions .desktop-only-cta {
    display: none !important;
  }

  .user-btn {
    padding: 5px 10px;
    font-size: 12px;
    gap: 6px;
  }

  .user-btn img {
    width: 26px;
    height: 26px;
  }

  .theme-toggle-btn {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  /* Mobil Alt Menü (Customer Bottom Nav) */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(64px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    align-items: center;
    justify-content: space-around;
  }

  .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2px;
    gap: 4px;
    position: relative;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-nav-item i {
    font-size: 19px;
    transition: transform var(--transition-fast), color var(--transition-fast);
  }

  .mobile-nav-item:active i {
    transform: scale(0.9);
  }

  .mobile-nav-item.active {
    color: var(--text-gold);
    font-weight: 700;
  }

  .mobile-nav-item.active i {
    color: var(--text-gold);
    filter: drop-shadow(0 2px 6px var(--accent-gold-glow));
  }

  .mobile-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    width: 30px;
    height: 3px;
    background: var(--gold-gradient);
    border-radius: 0 0 3px 3px;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.4);
  }

  /* Konteyner & Bölümler */
  .container {
    padding: 0 16px;
  }

  .section-padding {
    padding: 50px 0;
  }

  .section-header {
    margin-bottom: 30px;
  }

  /* Hero & Arama */
  .hero-section {
    padding: 40px 16px 50px;
    min-height: auto;
  }

  .hero-badge {
    font-size: 11px;
    padding: 6px 14px;
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: 28px;
    line-height: 1.2;
    margin-bottom: 14px;
  }

  .hero-subtitle {
    font-size: 14px;
    margin-bottom: 30px;
  }

  .booking-search-bar {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .search-form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* İstatistik Şeridi */
  .stats-strip {
    padding: 24px 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-item h3 {
    font-size: 28px;
  }

  .stat-item p {
    font-size: 11px;
  }

  /* Kategori Sekmeleri - Mobilde Yatay Dokunmatik Kaydırma */
  .category-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 10px;
    margin-bottom: 24px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 8px;
  }

  .category-tabs::-webkit-scrollbar {
    display: none;
  }

  .category-tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 13px;
    padding: 8px 14px;
  }

  /* Oda Kartları & Gridler */
  .rooms-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .home-categories-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .home-amenities-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .home-reviews-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .room-specs-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .profile-layout-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .contact-layout-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .contact-form-grid {
    grid-template-columns: 1fr !important;
  }

  .checkout-dates-grid {
    grid-template-columns: 1fr !important;
  }

  .checkout-payment-grid {
    grid-template-columns: 1fr !important;
  }

  .voucher-details-grid {
    grid-template-columns: 1fr !important;
  }

  .admin-room-form-grid {
    grid-template-columns: 1fr !important;
  }

  .admin-categories-layout-grid {
    grid-template-columns: 1fr !important;
  }

  .filter-bar-wrapper {
    padding: 16px;
  }

  .filter-bar-form {
    grid-template-columns: 1fr !important;
  }

  .detail-content-box {
    padding: 20px;
  }

  .booking-widget-card {
    padding: 20px;
  }

  .checkout-step-card {
    padding: 20px 16px;
  }

  .room-gallery-grid {
    grid-template-columns: 1fr;
    margin-bottom: 24px;
  }

  .gallery-main-img {
    height: 280px;
  }

  .gallery-sub-imgs {
    display: none;
  }

  /* Sanal Kredi Kartı */
  .credit-card-preview {
    max-width: 320px;
    height: 190px;
  }

  .card-number-display {
    font-size: 16px;
    letter-spacing: 1.5px;
  }

  /* Footer Mobil */
  .footer {
    padding: 50px 0 20px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }

  /* Admin Mobil Uyumluluk */
  .admin-card {
    padding: 16px 12px !important;
    margin-bottom: 18px !important;
  }

  .admin-metrics-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
    margin-bottom: 20px !important;
  }

  .admin-metrics-grid .stat-metric-card {
    padding: 14px 10px !important;
  }

  .admin-metrics-grid .stat-metric-card h2 {
    font-size: 20px !important;
  }

  .admin-room-status-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
}

@media (max-width: 480px) {
  .admin-metrics-grid {
    grid-template-columns: 1fr !important;
  }

  .admin-room-status-grid {
    grid-template-columns: 1fr !important;
  }
  .hero-title {
    font-size: 25px;
  }

  .credit-card-preview {
    max-width: 290px;
    height: 175px;
  }

  .card-number-display {
    font-size: 14px;
    letter-spacing: 1px;
  }

  .room-card-title {
    font-size: 18px;
  }

  .price-amount {
    font-size: 20px;
  }
}

/* Animasyonlar */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}