:root {
  --primary: #1565C0;
  --primary-light: #42A5F5;
  --primary-lighter: #BBDEFB;
  --primary-bg: #E3F2FD;
  --primary-dark: #0D47A1;
  --secondary: #00897B;
  --secondary-light: #4DB6AC;
  --bg: #F0F7FF;
  --surface: #FFFFFF;
  --surface-alt: #F5F9FF;
  --text: #1B2838;
  --text-sec: #546E7A;
  --text-light: #90A4AE;
  --border: #E0E8F0;
  --border-light: #EDF2F7;
  --success: #43A047;
  --warning: #FF9800;
  --danger: #E53935;
  --shadow-sm: 0 1px 3px rgba(21,101,192,0.08);
  --shadow: 0 2px 8px rgba(21,101,192,0.1);
  --shadow-lg: 0 8px 24px rgba(21,101,192,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --header-h: 64px;
  --max-w: 1200px;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Header */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 16px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}
.logo:hover { text-decoration: none; }
.logo svg { width: 32px; height: 32px; }
.header-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  border: 2px solid var(--border);
  border-radius: 50px;
  background: var(--surface-alt);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}
.header-search input:focus {
  border-color: var(--primary-light);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.header-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-sec);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
}
.nav-link:hover { background: var(--primary-bg); color: var(--primary); text-decoration: none; }
.nav-link .badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.header-mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: var(--shadow); }
.btn-secondary { background: var(--primary-bg); color: var(--primary); }
.btn-secondary:hover { background: var(--primary-lighter); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); padding: 8px 18px; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #C62828; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #2E7D32; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-icon {
  background: none;
  border: none;
  color: var(--text-sec);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-icon:hover { background: var(--primary-bg); color: var(--primary); }

/* Cards */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card-body { padding: 16px; }

/* Listing Card */
.listing-card { cursor: pointer; }
.listing-card .card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--primary-bg);
}
.listing-card .card-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary-bg), var(--primary-lighter));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 3rem;
}
.listing-card .price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}
.listing-card .title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  margin: 4px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.listing-card .meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 8px;
}
.listing-card .meta svg { width: 14px; height: 14px; }
.listing-card .fav-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(255,255,255,0.9);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.listing-card .fav-btn:hover { background: #fff; transform: scale(1.1); }
.listing-card .card-img-wrap { position: relative; }

/* Grid Layouts */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 16px; }
.listing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px var(--primary-bg);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group .hint { font-size: 0.78rem; color: var(--text-light); margin-top: 4px; }
.form-group .error-text { font-size: 0.78rem; color: var(--danger); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.checkbox-group input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #01579B 100%);
  color: #fff;
  padding: 48px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}
.hero h1 { font-size: 2rem; font-weight: 700; margin-bottom: 8px; position: relative; }
.hero p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 24px; position: relative; }
.hero-search {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}
.hero-search input {
  width: 100%;
  padding: 14px 140px 14px 20px;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  box-shadow: var(--shadow-lg);
  outline: none;
}
.hero-search .btn {
  position: absolute;
  right: 4px;
  top: 4px;
  bottom: 4px;
  border-radius: 50px;
  padding: 0 24px;
}

/* Categories Bar */
.categories-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
  scrollbar-width: none;
}
.categories-bar::-webkit-scrollbar { display: none; }
.categories-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  gap: 8px;
}
.cat-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-sec);
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
}
.cat-chip:hover, .cat-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Section */
.section { padding: 32px 0; }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-header h2 { font-size: 1.3rem; font-weight: 700; color: var(--text); }

/* Listing Detail */
.listing-detail { padding: 24px 0; }
.listing-images {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--primary-bg);
}
.listing-images .main-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: contain;
  background: #f0f4f8;
}
.listing-thumbs {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
}
.listing-thumbs img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.listing-thumbs img.active, .listing-thumbs img:hover { border-color: var(--primary); }
.listing-info { padding: 0 0 0 24px; }
.listing-price { font-size: 1.8rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.listing-title { font-size: 1.3rem; font-weight: 600; margin-bottom: 16px; }
.listing-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: var(--text-sec);
}
.listing-meta-row span { display: flex; align-items: center; gap: 4px; }
.listing-desc { margin: 20px 0; line-height: 1.7; }
.seller-card {
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.seller-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--primary-lighter);
}
.seller-avatar-placeholder {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
}

/* Filters sidebar */
.filters-sidebar {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  position: sticky;
  top: calc(var(--header-h) + 16px);
  max-height: calc(100vh - var(--header-h) - 32px);
  overflow-y: auto;
}
.filters-sidebar h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.filter-section { margin-bottom: 20px; }
.filter-section label { font-size: 0.85rem; font-weight: 600; display: block; margin-bottom: 6px; }
.filter-section input,
.filter-section select {
  width: 100%;
  padding: 8px 12px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
  background: var(--surface);
}
.filter-section input:focus,
.filter-section select:focus { border-color: var(--primary-light); }
.price-range { display: flex; gap: 8px; align-items: center; }
.price-range input { flex: 1; min-width: 0; }
.search-layout { display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: start; }

/* Category Sidebar (Hepsiburada style) */
.cat-sidebar {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}
.cat-sidebar-header {
  padding: 14px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--primary-dark);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cat-sidebar-list { list-style: none; }
.cat-sidebar-list li { border-bottom: 1px solid var(--border-light); }
.cat-sidebar-list li:last-child { border-bottom: none; }
.cat-sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--text);
  transition: var(--transition);
  text-decoration: none;
}
.cat-sidebar-list a:hover {
  background: var(--primary-bg);
  color: var(--primary);
  text-decoration: none;
  padding-left: 20px;
}
.cat-sidebar-list a.active {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 600;
  border-left: 3px solid var(--primary);
}
.cat-sidebar-list .cat-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.cat-sidebar-list .cat-count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-light);
  background: var(--surface-alt);
  padding: 2px 8px;
  border-radius: 50px;
}

/* Password toggle */
.password-wrapper {
  position: relative;
}
.password-wrapper input {
  padding-right: 44px !important;
}
.password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: var(--transition);
}
.password-toggle:hover { color: var(--primary); }

/* Auth pages */
.auth-container {
  max-width: 460px;
  margin: 40px auto;
  padding: 0 16px;
}
.auth-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
}
.auth-card h1 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--primary-dark);
}
.auth-card .subtitle {
  text-align: center;
  color: var(--text-sec);
  margin-bottom: 28px;
  font-size: 0.9rem;
}
.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1;
  padding: 12px;
  text-align: center;
  font-weight: 600;
  color: var(--text-sec);
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
  font-size: 0.95rem;
}
.auth-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.auth-footer { text-align: center; margin-top: 20px; font-size: 0.88rem; color: var(--text-sec); }

/* Messages */
.messages-layout { display: grid; grid-template-columns: 340px 1fr; height: calc(100vh - var(--header-h) - 40px); gap: 0; }
.conv-list {
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  border-radius: var(--radius) 0 0 var(--radius);
}
.conv-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition);
}
.conv-item:hover, .conv-item.active { background: var(--primary-bg); }
.conv-item .avatar-sm {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.conv-item .conv-info { flex: 1; min-width: 0; }
.conv-item .conv-name { font-weight: 600; font-size: 0.9rem; }
.conv-item .conv-last { font-size: 0.82rem; color: var(--text-sec); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-item .conv-time { font-size: 0.72rem; color: var(--text-light); white-space: nowrap; }
.conv-item .unread-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.chat-area {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.chat-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg-bubble {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
}
.msg-bubble.sent {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-bubble.received {
  align-self: flex-start;
  background: var(--surface-alt);
  border-bottom-left-radius: 4px;
}
.msg-bubble .msg-time { font-size: 0.7rem; opacity: 0.7; margin-top: 4px; }
.chat-input {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}
.chat-input input {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid var(--border);
  border-radius: 50px;
  outline: none;
  font-size: 0.9rem;
}
.chat-input input:focus { border-color: var(--primary-light); }

/* Profile */
.profile-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 32px 0;
}
.profile-card {
  display: flex;
  align-items: center;
  gap: 20px;
}
.profile-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 3px solid #fff;
  object-fit: cover;
}
.profile-avatar-placeholder {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  font-weight: 700;
}

/* Stars */
.stars { display: inline-flex; gap: 2px; }
.stars .star { color: #E0E0E0; font-size: 1rem; }
.stars .star.filled { color: #FFB300; }
.stars .star.half { background: linear-gradient(90deg, #FFB300 50%, #E0E0E0 50%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Tabs */
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab {
  padding: 12px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-sec);
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: var(--transition);
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab:hover { color: var(--primary); }

/* Admin */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - var(--header-h)); }
.admin-sidebar {
  background: var(--primary-dark);
  color: #fff;
  padding: 20px 0;
}
.admin-sidebar .menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.admin-sidebar .menu-item:hover, .admin-sidebar .menu-item.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.admin-content { padding: 24px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.stat-card .stat-value { font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-card .stat-label { font-size: 0.85rem; color: var(--text-sec); margin-top: 4px; }

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table th {
  background: var(--surface-alt);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sec);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.data-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--border-light);
  font-size: 0.88rem;
}
.data-table tr:hover td { background: var(--surface-alt); }

/* Status badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-active { background: #E8F5E9; color: #2E7D32; }
.badge-inactive { background: #FFEBEE; color: #C62828; }
.badge-pending { background: #FFF3E0; color: #E65100; }
.badge-resolved { background: #E3F2FD; color: #1565C0; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  animation: fadeIn 0.2s;
}
.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s;
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 1.1rem; font-weight: 700; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* Toast */
#toast-container {
  position: fixed;
  top: 80px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideRight 0.3s;
  max-width: 360px;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--primary); }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 24px;
}
.pagination button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
.pagination button:hover { background: var(--primary-bg); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-sec);
}
.empty-state svg { width: 80px; height: 80px; color: var(--border); margin-bottom: 16px; }
.empty-state h3 { font-size: 1.1rem; color: var(--text); margin-bottom: 8px; }

/* Image upload */
.image-upload {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--surface-alt);
}
.image-upload:hover { border-color: var(--primary-light); background: var(--primary-bg); }
.image-preview-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.image-preview-item {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}
.image-preview-item img { width: 100%; height: 100%; object-fit: cover; }
.image-preview-item .remove-img {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--danger);
  color: #fff;
  border: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Loading */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 32px auto;
}
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideRight { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* Review form */
.star-input { display: flex; gap: 4px; }
.star-input .star-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #E0E0E0;
  transition: var(--transition);
  padding: 0;
}
.star-input .star-btn.active, .star-input .star-btn:hover { color: #FFB300; }

/* Legal pages */
.legal-content h2 { font-size:1.1rem; font-weight:700; color:var(--text); margin:24px 0 10px; }
.legal-content h3 { font-size:1rem; font-weight:600; color:var(--text); margin:18px 0 8px; }
.legal-content ul { padding-left:20px; margin:8px 0; }
.legal-content li { margin-bottom:6px; }
.legal-content p { margin-bottom:10px; }
.legal-content table { font-size:0.88rem; }

/* Footer */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 40px 0 20px;
  margin-top: 48px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-bottom: 24px; }
.footer h4 { color: #fff; margin-bottom: 12px; font-size: 1rem; }
.footer a { color: rgba(255,255,255,0.7); font-size: 0.88rem; display: block; padding: 4px 0; }
.footer a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 16px; text-align: center; font-size: 0.82rem; }

/* Responsive */
@media (max-width: 768px) {
  .header-search { display: none; }
  .header-mobile-toggle { display: block; }
  .hero h1 { font-size: 1.5rem; }
  .hero-search input { padding-right: 60px; font-size: 0.9rem; }
  .listing-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .search-layout { grid-template-columns: 1fr; }
  .filters-sidebar { display: none; }
  .filters-sidebar.open { display: block; }
  .messages-layout { grid-template-columns: 1fr; }
  .conv-list.hidden { display: none; }
  .chat-area.hidden { display: none; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .admin-sidebar.open { display: block; position: fixed; left: 0; top: var(--header-h); bottom: 0; width: 240px; z-index: 50; }
  .form-row { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .listing-info { padding: 16px 0 0 0; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-link span { display: none; }
  .auth-card { padding: 24px; }
}

@media (max-width: 480px) {
  .listing-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .listing-card .card-body { padding: 10px; }
  .listing-card .price { font-size: 1rem; }
  .listing-card .title { font-size: 0.85rem; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* Utility classes */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sec { color: var(--text-sec); }
.text-light { color: var(--text-light); }
.text-primary { color: var(--primary); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.hidden { display: none !important; }