/* ============================================
   TvojPazar - Modern Marketplace CSS
   ============================================ */

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --gray-900: #0f172a;
    --gray-800: #1e293b;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    --white: #ffffff;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* DARK MODE */
.dark-mode {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #93c5fd;
    --bg: #0f172a;
    --card-bg: #1e293b;
    --text: #e2e8f0;
    --text-secondary: #94a3b8;
    --border: #334155;
    --gray-900: #0f172a;
    --gray-800: #1e293b;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #334155;
    --gray-100: #1e293b;
    --gray-50: #0f172a;
    --white: #1e293b;
    --dark: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.4);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background 0.3s, color 0.3s;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; }
.highlight { color: var(--primary); }

/* Dark Mode Toggle */
.dark-mode-toggle {
    width: 36px; height: 36px; border-radius: 50%; border: none;
    background: var(--gray-100); color: var(--text-secondary);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    font-size: 1rem; transition: var(--transition);
}
.dark-mode-toggle:hover { background: var(--gray-200); color: var(--primary); }

/* Top Bar */
.top-bar { background: var(--gray-900); color: var(--gray-300); font-size: 0.85rem; padding: 8px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; gap: 20px; }
.top-bar-left span { display: flex; align-items: center; gap: 6px; }
.top-bar-right { display: flex; gap: 15px; }
.top-bar-right a { color: var(--gray-300); display: flex; align-items: center; gap: 5px; transition: var(--transition); }
.top-bar-right a:hover { color: var(--white); }

/* Navbar */
.navbar { background: var(--card-bg); border-bottom: 1px solid var(--border); padding: 12px 0; position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow-sm); transition: background 0.3s; }
.navbar .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.navbar-left { flex-shrink: 0; }
.logo { display: flex; align-items: center; gap: 8px; }
.logo img { height: 40px; }
.logo-text { font-size: 1.5rem; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
.logo-text .highlight { color: var(--primary); }
.navbar-center { flex: 1; max-width: 600px; }
.search-form { width: 100%; }
.search-box { display: flex; align-items: center; background: var(--gray-100); border-radius: 50px; padding: 4px; border: 2px solid transparent; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); background: var(--card-bg); box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1); }
.search-icon { color: var(--gray-400); padding: 0 12px; font-size: 1.1rem; }
.search-input { flex: 1; border: none; background: none; padding: 10px 0; font-size: 0.95rem; color: var(--text); outline: none; font-family: inherit; }
.search-input::placeholder { color: var(--gray-400); }
.search-btn { background: var(--primary); color: white; border: none; padding: 10px 24px; border-radius: 50px; font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: var(--transition); font-family: inherit; }
.search-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.navbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 50px; font-weight: 600; font-size: 0.9rem; cursor: pointer; transition: var(--transition); border: 2px solid transparent; font-family: inherit; white-space: nowrap; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.add-listing-btn { background: var(--secondary); color: white; }
.add-listing-btn:hover { background: #059669; }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-secondary); cursor: pointer; padding: 8px; }

/* Categories */
.categories-section { padding: 40px 0 80px; background: var(--bg); }
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.category-card { background: var(--card-bg); border-radius: var(--radius); padding: 24px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
.category-card:hover { transform: translateY(-4px) scale(1.02); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.category-icon { width: 50px; height: 50px; border-radius: 12px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 1.3rem; flex-shrink: 0; }
.category-info { flex: 1; }
.category-info h3 { font-size: 0.95rem; margin-bottom: 4px; color: var(--text); }
.category-count { font-size: 0.8rem; color: var(--text-secondary); }
.category-arrow { color: var(--gray-300); font-size: 0.85rem; }
.category-card:hover .category-arrow { color: var(--primary); transform: translateX(4px); }

/* Listings */
.listings-section { padding: 80px 0; background: var(--card-bg); }
.listings-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.listing-card { background: var(--card-bg); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
.listing-card:hover { transform: translateY(-6px) scale(1.01); box-shadow: var(--shadow-xl); border-color: var(--primary-light); }
.listing-image { position: relative; height: 200px; overflow: hidden; background: var(--gray-100); }
.listing-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.listing-card:hover .listing-image img { transform: scale(1.08); }
.listing-badge { position: absolute; top: 10px; left: 10px; padding: 4px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; color: white; z-index: 1; }
.badge-new { background: var(--secondary); }
.badge-vip { background: var(--accent); }
.listing-favorite { position: absolute; top: 10px; right: 10px; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.9); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--gray-500); transition: var(--transition); z-index: 1; }
.listing-favorite:hover { background: white; color: var(--danger); transform: scale(1.15); }
.listing-content { padding: 16px; }
.listing-category { font-size: 0.75rem; color: var(--primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.listing-title { font-size: 0.95rem; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.listing-title a { color: var(--text); }
.listing-title a:hover { color: var(--primary); }
.listing-price { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.listing-meta { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-secondary); }
.listing-meta span { display: flex; align-items: center; gap: 4px; }

/* Section Headers */
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 { font-size: 2rem; color: var(--text); margin-bottom: 10px; }
.section-header p { color: var(--text-secondary); font-size: 1.05rem; }
.section-footer { text-align: center; margin-top: 40px; }

/* How It Works */
.how-it-works { padding: 80px 0; background: var(--bg); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.step-card { text-align: center; padding: 40px 30px; background: var(--card-bg); border-radius: var(--radius-lg); box-shadow: var(--shadow); transition: var(--transition); }
.step-card:hover { transform: translateY(-8px) scale(1.02); box-shadow: var(--shadow-xl); }
.step-number { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.2rem; margin: 0 auto 20px; }
.step-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }
.step-card h3 { font-size: 1.15rem; margin-bottom: 12px; color: var(--text); }
.step-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

/* Cities */
.cities-section { padding: 80px 0; background: var(--card-bg); }
.cities-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.city-card { background: var(--gray-100); border: 1px solid var(--border); border-radius: 12px; padding: 16px; text-align: center; transition: var(--transition); cursor: pointer; }
.city-card:hover { background: var(--primary); color: white; border-color: var(--primary); transform: translateY(-3px) scale(1.05); box-shadow: 0 10px 25px rgba(59,130,246,0.2); }
.city-card span { display: block; font-weight: 600; font-size: 0.95rem; }

/* App Section */
.app-section { padding: 80px 0; background: linear-gradient(135deg, var(--gray-900), var(--gray-800)); color: white; }
.app-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.app-text h2 { font-size: 2.2rem; margin-bottom: 15px; }
.app-text p { color: var(--gray-300); margin-bottom: 30px; font-size: 1.05rem; }
.app-buttons { display: flex; gap: 15px; flex-wrap: wrap; }
.app-btn { display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.1); color: white; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; transition: var(--transition); border: 1px solid rgba(255,255,255,0.2); }
.app-btn:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px) scale(1.02); }
.app-btn i { font-size: 1.8rem; }
.app-image img { width: 100%; max-width: 450px; margin: 0 auto; }

/* Testimonials */
.testimonials-section { padding: 80px 0; background: var(--bg); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--card-bg); border-radius: 16px; padding: 30px; box-shadow: var(--shadow); transition: var(--transition); }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stars { font-size: 1.1rem; margin-bottom: 12px; }
.testimonial-card p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 10px; }
.author-avatar { font-size: 2rem; color: var(--gray-400); }
.testimonial-author strong { display: block; font-size: 0.9rem; color: var(--text); }
.testimonial-author small { color: var(--text-secondary); font-size: 0.8rem; }

/* Footer */
.footer { background: var(--gray-900); color: var(--gray-300); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { display: inline-block; margin-bottom: 15px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; color: var(--gray-400); }
.footer-social { display: flex; gap: 10px; }
.social-link { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; color: var(--gray-400); transition: var(--transition); }
.social-link:hover { background: var(--primary); color: white; transform: translateY(-3px); }
.footer-col h4 { color: white; font-size: 1rem; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: var(--gray-400); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: white; padding-left: 5px; }
.contact-info li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--gray-400); }
.contact-info li i { margin-top: 4px; color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 20px 0; }
.footer-bottom-content { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.85rem; color: var(--gray-500); }
.footer-payments { display: flex; gap: 15px; font-size: 1.5rem; color: var(--gray-500); }

/* Back to Top */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; border-radius: 50%; background: var(--primary); color: white; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: var(--shadow-lg); transition: var(--transition); opacity: 0; visibility: hidden; transform: translateY(20px); z-index: 999; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* Mobile */
.mobile-search { display: none; padding: 12px 20px; background: var(--card-bg); border-bottom: 1px solid var(--border); }
.mobile-search form { display: flex; gap: 8px; }
.mobile-search input { flex: 1; padding: 10px 16px; border: 1px solid var(--border); border-radius: 50px; font-size: 0.9rem; outline: none; font-family: inherit; background: var(--gray-100); color: var(--text); }
.mobile-search button { background: var(--primary); color: white; border: none; width: 42px; border-radius: 50%; cursor: pointer; }

.mobile-menu-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 9999; }
.mobile-menu-overlay.active { display: block; }
.mobile-menu { position: fixed; top: 0; right: -300px; width: 300px; height: 100%; background: var(--card-bg); z-index: 10000; transition: right 0.3s; box-shadow: var(--shadow-xl); }
.mobile-menu.active { right: 0; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; padding: 20px; border-bottom: 1px solid var(--border); }
.mobile-menu-header span { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.mobile-menu-header button { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text-secondary); }
.mobile-menu-body { padding: 10px 0; }
.mobile-menu-item { display: flex; align-items: center; gap: 12px; padding: 14px 20px; color: var(--text-secondary); transition: var(--transition); font-size: 0.95rem; }
.mobile-menu-item:hover { background: var(--gray-50); color: var(--primary); }
.mobile-menu-item i { width: 20px; text-align: center; }
.mobile-menu-divider { height: 1px; background: var(--border); margin: 10px 20px; }

.main-content { min-height: 500px; }

/* Alert */
.alert { padding: 16px 20px; border-radius: var(--radius); margin-bottom: 20px; display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.alert-success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* Page fade-in animation */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.main-content > * { animation: fadeInUp 0.5s ease-out both; }
.main-content > *:nth-child(2) { animation-delay: 0.1s; }
.main-content > *:nth-child(3) { animation-delay: 0.2s; }

/* Kart hover glow */
@keyframes glow { 0%, 100% { box-shadow: 0 0 5px rgba(59,130,246,0.2); } 50% { box-shadow: 0 0 20px rgba(59,130,246,0.4); } }
.category-card:hover, .listing-card:hover, .step-card:hover { animation: glow 2s infinite; }