/* ============================================================
 * BTL SOLUTIONS - SRI LANKA BILLBOARD MARKETPLACE
 * Premium Design System & Modern CSS Framework
 * Primary Accent: #FEC900 | Dark Navy: #111827 / #1F2937
 * ============================================================ */

:root {
  --primary-color: #FEC900;
  --primary-hover: #e0b200;
  --primary-light: #fff8d6;
  --dark-navy: #111827;
  --dark-card: #1F2937;
  --dark-border: #374151;
  --light-bg: #F8FAFC;
  --border-color: #E5E7EB;
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
  --shadow-yellow: 0 8px 25px rgba(254, 201, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  background-color: var(--light-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-navy);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--dark-navy);
  letter-spacing: -0.02em;
}
.text-brand {
  color: var(--primary-color) !important;
}
.bg-brand {
  background-color: var(--primary-color) !important;
  color: var(--dark-navy) !important;
}
.bg-dark-navy {
  background-color: var(--dark-navy) !important;
}
.bg-dark-card {
  background-color: var(--dark-card) !important;
}

/* Buttons */
.btn-brand {
  background-color: var(--primary-color);
  color: var(--dark-navy);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-brand:hover, .btn-brand:focus {
  background-color: var(--primary-hover);
  color: var(--dark-navy);
  transform: translateY(-2px);
  box-shadow: var(--shadow-yellow);
}

.btn-outline-brand {
  border: 2px solid var(--primary-color);
  color: var(--dark-navy);
  font-weight: 600;
  padding: 10px 26px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-outline-brand:hover {
  background-color: var(--primary-color);
  color: var(--dark-navy);
  transform: translateY(-2px);
}

.btn-dark-navy {
  background-color: var(--dark-navy);
  color: #fff;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-dark-navy:hover {
  background-color: var(--dark-card);
  color: var(--primary-color);
  transform: translateY(-2px);
}

/* Top Bar & Navbar */
.top-bar {
  background: var(--dark-navy);
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 0;
}
.top-bar a {
  color: #9ca3af;
  transition: var(--transition);
}
.top-bar a:hover {
  color: var(--primary-color);
}

.navbar {
  padding: 16px 0;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.navbar.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}
.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--dark-navy) !important;
  display: flex;
  align-items: center;
  gap: 12px;
}
.navbar-brand .logo-icon {
  background: var(--primary-color);
  color: var(--dark-navy);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.25rem;
}
.nav-link {
  font-weight: 600;
  color: var(--dark-navy) !important;
  padding: 8px 16px !important;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--dark-navy) !important;
  background: var(--primary-light);
}

/* Section Header */
.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--dark-navy);
  margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--primary-color);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  display: block;
  margin-bottom: 0.5rem;
}
.section-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

/* HERO SECTION */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--dark-navy) 0%, #1e293b 100%);
  padding: 100px 0 140px;
  overflow: hidden;
  color: #fff;
}
.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(254, 201, 0, 0.15) 0%, transparent 50%),
                    radial-gradient(circle at 10% 80%, rgba(30, 41, 59, 0.5) 0%, transparent 50%);
  pointer-events: none;
}
.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
}
.hero-title span {
  color: var(--primary-color);
  position: relative;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: #94a3b8;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

/* Search Box Container */
.search-card-hero {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.search-card-hero .form-control,
.search-card-hero .form-select {
  border: 1px solid var(--border-color);
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 500;
}
.search-card-hero .form-control:focus,
.search-card-hero .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px var(--primary-light);
}

/* Floating Hero Cards Animation */
.floating-hero-card {
  position: absolute;
  background: rgba(31, 41, 55, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(254, 201, 0, 0.3);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: #fff;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}
.floating-hero-card.card-1 {
  top: 15%;
  right: 5%;
  animation-delay: 0s;
}
.floating-hero-card.card-2 {
  bottom: 20%;
  right: 12%;
  animation-delay: 3s;
}
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(1deg); }
}

/* Stats Counter Bar */
.stats-counter-bar {
  background: var(--dark-card);
  margin-top: -60px;
  position: relative;
  z-index: 10;
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(254, 201, 0, 0.2);
}
.stat-box {
  text-align: center;
}
.stat-number {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}
.stat-label {
  color: #9ca3af;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
  margin-top: 8px;
}

/* Cards & Marketplace Items */
.marketplace-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.marketplace-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}
.card-img-wrapper {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #e2e8f0;
}
.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.marketplace-card:hover .card-img-wrapper img {
  transform: scale(1.08);
}
.badge-verified {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(17, 24, 39, 0.85);
  color: var(--primary-color);
  backdrop-filter: blur(6px);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid rgba(254, 201, 0, 0.4);
}
.badge-featured {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--primary-color);
  color: var(--dark-navy);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}
.card-body-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.card-title a {
  color: var(--dark-navy);
  text-decoration: none;
  transition: var(--transition);
}
.card-title a:hover {
  color: var(--primary-color);
}
.location-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.specs-row {
  display: flex;
  gap: 12px;
  background: var(--light-bg);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}
.price-tag {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark-navy);
}
.price-tag span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Category Cards */
.category-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
}
.category-card h5 {
  color: var(--dark-navy);
  font-weight: 700;
}
.category-card p, .category-card .text-muted {
  color: #475569 !important;
}
.category-card:hover, .category-card.active {
  background: var(--dark-navy) !important;
  color: #fff !important;
  transform: translateY(-6px);
  border-color: var(--primary-color) !important;
  box-shadow: var(--shadow-md);
}
.category-card:hover h5, .category-card.active h5 {
  color: #ffffff !important;
}
.category-card:hover p, .category-card:hover .text-muted,
.category-card.active p, .category-card.active .text-muted {
  color: #e2e8f0 !important;
}
.category-icon {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  color: var(--dark-navy);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 18px;
  transition: var(--transition);
}
.category-card:hover .category-icon, .category-card.active .category-icon {
  background: var(--primary-color);
  color: var(--dark-navy);
  transform: scale(1.1);
}

/* District Grid Cards */
.district-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 180px;
  box-shadow: var(--shadow-sm);
}
.district-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.district-card:hover img {
  transform: scale(1.1);
}
.district-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(17,24,39,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  color: #fff;
}
.district-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}
.district-count {
  font-size: 0.85rem;
  color: var(--primary-color);
  font-weight: 600;
}

/* Google Map Marketplace Section */
#marketplace-map {
  width: 100%;
  height: 520px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-color);
}
.gm-style-iw-c {
  border-radius: 16px !important;
  padding: 0 !important;
}
.map-popup-card {
  width: 260px;
  font-family: 'Inter', sans-serif;
}
.map-popup-img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}
.map-popup-body {
  padding: 14px;
}

/* How It Works Steps */
.step-card {
  text-align: center;
  position: relative;
  padding: 30px 20px;
}
.step-number {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--dark-navy);
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-yellow);
}

/* Owner CTA Banner */
.owner-cta-banner {
  background: linear-gradient(135deg, var(--dark-navy) 0%, var(--dark-card) 100%);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  color: #fff;
  border: 1px solid rgba(254, 201, 0, 0.3);
  box-shadow: var(--shadow-lg);
}

/* Footer Styling */
footer {
  background: var(--dark-navy);
  color: #cbd5e1 !important;
  padding-top: 80px;
  padding-bottom: 30px;
  border-top: 3px solid var(--primary-color);
}
footer h5, footer h4, footer h6 {
  color: #ffffff !important;
  font-size: 1.15rem;
  margin-bottom: 24px;
}
footer p, footer span, footer li, footer small, footer .text-muted {
  color: #cbd5e1 !important;
  font-size: 0.95rem;
}
footer a {
  color: #cbd5e1 !important;
  text-decoration: none;
  transition: var(--transition);
}
footer a:hover {
  color: var(--primary-color) !important;
  padding-left: 4px;
}
.footer-social-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff !important;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer-social-btn:hover {
  background: var(--primary-color);
  color: var(--dark-navy) !important;
  transform: translateY(-3px);
}

/* Admin Theme Adjustments */
.admin-sidebar {
  width: 260px;
  background: var(--dark-navy);
  min-height: 100vh;
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: var(--transition);
}
.admin-sidebar .nav-link {
  color: #9ca3af !important;
  font-weight: 500;
  padding: 12px 20px !important;
  border-radius: 0;
  border-left: 4px solid transparent;
}
.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
  color: var(--primary-color) !important;
  background: rgba(255, 255, 255, 0.05) !important;
  border-left-color: var(--primary-color);
}
.admin-content {
  margin-left: 260px;
  padding: 30px;
  background: #f1f5f9;
  min-height: 100vh;
}
@media (max-width: 991px) {
  .admin-sidebar {
    margin-left: -260px;
  }
  .admin-sidebar.show {
    margin-left: 0;
  }
  .admin-content {
    margin-left: 0;
  }
  .hero-title {
    font-size: 2.4rem;
  }
}