@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Modern Indigo & Amber Palette */
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --primary-rgb: 79, 70, 229;
  
  --secondary-color: #64748b;
  --secondary-light: #f1f5f9;
  
  --accent-color: #f59e0b;
  --accent-hover: #d97706;
  --accent-light: #fef3c7;
  
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  
  --border-color: #e2e8f0;
  --border-focus: #a5b4fc;
  
  /* Status Colors */
  --status-active-bg: #dcfce7;
  --status-active-text: #15803d;
  --status-pending-bg: #fef9c3;
  --status-pending-text: #a16207;
  --status-draft-bg: #f1f5f9;
  --status-draft-text: #475569;
  --status-sold-bg: #fee2e2;
  --status-sold-text: #b91c1c;
  --status-expired-bg: #ffedd5;
  --status-expired-text: #c2410c;
  --status-rejected-bg: #f1f5f9;
  --status-rejected-text: #94a3b8;
  
  /* Shadows & Radius */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --shadow-lg: 0 10px 15px -3px rgba(79, 70, 229, 0.05), 0 4px 6px -2px rgba(79, 70, 229, 0.02);
  --shadow-premium: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --shadow-glow: 0 0 15px rgba(79, 70, 229, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Styles */
body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-dark);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Glassmorphism Navbar */
.navbar {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.9) !important; /* Deep Premium Slate */
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.85rem 0;
  box-shadow: var(--shadow-md);
}
.navbar-brand {
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #a5b4fc 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-link {
  color: #94a3b8 !important;
  font-weight: 500;
  transition: var(--transition-fast);
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-light) !important;
  background: rgba(255, 255, 255, 0.05);
}

/* Form Search Input inside Nav */
.nav-search {
  position: relative;
}
.nav-search input {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  color: var(--text-light) !important;
  border-radius: 30px !important;
  padding-left: 2.5rem !important;
  padding-right: 1rem !important;
  transition: var(--transition-fast) !important;
}
.nav-search input::placeholder {
  color: #64748b;
}
.nav-search input:focus {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: rgba(255, 255, 255, 0.4) !important;
  box-shadow: none !important;
}
.nav-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  pointer-events: none;
}

/* Primary Button Styling */
.btn {
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.25rem;
  font-weight: 600;
  font-size: 0.925rem;
  transition: var(--transition-fast);
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #ffffff !important;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background-color: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
  transform: translateY(-1px);
}
.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
  border: none !important;
  color: #ffffff !important;
  box-shadow: var(--shadow-sm);
}
.btn-warning:hover {
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}
.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff !important;
}

/* General Card Design */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  overflow: hidden;
}
.card.shadow-sm {
  box-shadow: var(--shadow-md) !important;
}
.card.shadow-sm:hover {
  box-shadow: var(--shadow-premium) !important;
}

/* Advertisement Card */
.ad-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  height: 100%;
}
.ad-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-premium);
  border-color: rgba(79, 70, 229, 0.15);
}
.ad-card-img-wrapper {
  position: relative;
  overflow: hidden;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}
.ad-card img {
  height: 200px;
  object-fit: cover;
  width: 100%;
  background: #f1f5f9;
  transition: transform 0.4s ease;
}
.ad-card:hover img {
  transform: scale(1.05);
}
.ad-price {
  font-weight: 800;
  color: var(--primary-color);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.favorite-btn {
  cursor: pointer;
  z-index: 10;
  border: 1px solid rgba(0,0,0,0.05) !important;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.85) !important;
  border-radius: 50% !important;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  transition: var(--transition-fast);
  color: var(--secondary-color) !important;
}
.favorite-btn:hover {
  transform: scale(1.15) !important;
  background: #ffffff !important;
  color: #ef4444 !important;
}
.favorite-btn.text-danger {
  color: #ef4444 !important;
}

/* Category Pills & Badges */
.category-pill {
  border-radius: 30px;
  font-size: 0.825rem;
  padding: 0.4rem 1rem;
  font-weight: 500;
  background: var(--secondary-light);
  color: var(--secondary-color);
  transition: var(--transition-fast);
  text-decoration: none;
}
.category-pill:hover, .category-pill.active {
  background: var(--primary-light);
  color: var(--primary-color);
}
.badge {
  font-weight: 600;
  padding: 0.35em 0.65em;
  border-radius: var(--radius-sm);
}
.badge.bg-light {
  background-color: var(--secondary-light) !important;
  color: var(--secondary-color) !important;
  border: 1px solid var(--border-color) !important;
}

/* Status Badges */
.badge-status-active { background-color: var(--status-active-bg); color: var(--status-active-text); }
.badge-status-pending { background-color: var(--status-pending-bg); color: var(--status-pending-text); }
.badge-status-draft { background-color: var(--status-draft-bg); color: var(--status-draft-text); }
.badge-status-sold { background-color: var(--status-sold-bg); color: var(--status-sold-text); }
.badge-status-expired { background-color: var(--status-expired-bg); color: var(--status-expired-text); }
.badge-status-rejected { background-color: var(--status-rejected-bg); color: var(--status-rejected-text); }

/* Details Page styling */
.main-ad-image-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  padding: 8px;
}
.main-ad-image {
  width: 100%;
  max-height: 480px;
  object-fit: contain;
  background: #f8fafc;
  border-radius: var(--radius-sm);
}
.thumb-strip img {
  width: 80px;
  height: 60px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.thumb-strip img:hover {
  transform: translateY(-2px);
}
.thumb-strip img.active {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-glow);
}

/* Dashboard UI Layout */
.nav-tabs {
  border-bottom: 2px solid var(--border-color);
}
.nav-tabs .nav-link {
  border: none !important;
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  color: var(--text-muted) !important;
  padding: 0.75rem 1.25rem !important;
  background: none !important;
}
.nav-tabs .nav-link:hover {
  color: var(--primary-color) !important;
}
.nav-tabs .nav-link.active {
  color: var(--primary-color) !important;
  border-bottom-color: var(--primary-color) !important;
  font-weight: 700;
}
.table {
  border-collapse: separate;
  border-spacing: 0 0.5rem;
}
.table thead th {
  border-bottom: none;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 1rem;
}
.table tbody tr {
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}
.table tbody tr:hover {
  background-color: var(--secondary-light);
  transform: scale(1.002);
}
.table td {
  padding: 1rem;
  border: none;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.table td:first-child {
  border-left: 1px solid var(--border-color);
  border-top-left-radius: var(--radius-sm);
  border-bottom-left-radius: var(--radius-sm);
}
.table td:last-child {
  border-right: 1px solid var(--border-color);
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

/* Form Styling */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  background-color: #ffffff;
  transition: var(--transition-fast);
}
.form-control:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
  outline: none;
}
.form-label {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

/* Floating Alerts styled premium */
.alert {
  border-radius: var(--radius-md);
  border: none;
  box-shadow: var(--shadow-md);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
}
.alert-success {
  background-color: #dcfce7;
  color: #166534;
}
.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
}
.alert-warning {
  background-color: #fef9c3;
  color: #854d0e;
}
.alert-info {
  background-color: var(--primary-light);
  color: var(--primary-hover);
}

/* Seller sidebar contact card */
.seller-card {
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}
.seller-card:hover {
  box-shadow: var(--shadow-premium);
}

/* Custom styles for authentication pages */
.auth-container {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
}
.auth-card {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-premium);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}
.auth-brand {
  font-size: 1.85rem;
  font-weight: 800;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, #312e81 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

/* Fade-in Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animated-fade-in {
  animation: fadeInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}