:root {
    --primary: #3b82f6;
    /* Premium Blue */
    --primary-dark: #2563eb;
    --secondary: #1e293b;
    /* Slate 800 */
    --accent: #f59e0b;
    /* Amber 500 */
    --success: #10b981;
    --danger: #ef4444;
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-light: #64748b;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --font-main: 'Poppins', 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    text-rendering: optimizeSpeed;
    /* Speed over legible (Standard for scrolling apps) */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    font-style: italic;
    vertical-align: middle;
    shape-margin: 0.75rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header */
.main-header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

@media (min-width: 769px) {
    .main-header {
        backdrop-filter: blur(10px);
    }
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-main);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
    border-color: var(--text-light);
    background: #f8fafc;
}

/* Cards & Grid */
.grid {
    display: grid;
    gap: 24px;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-3px);
}

/* İlan Kartları üçün Smooth Hover Effekti ve Giriş Animasyonu */
.listing-card {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 0.8s cubic-bezier(0.2, 1, 0.2, 1),
        transform 0.8s cubic-bezier(0.2, 1, 0.2, 1),
        box-shadow 0.3s ease;
    will-change: transform, opacity;
    contain: content;
}

.listing-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (min-width: 769px) {
    .listing-card:hover {
        transform: translateY(-8px) !important;
        box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1) !important;
    }

    .listing-card:hover .main-img {
        transform: scale(1.03);
    }
}

/* Mobil Performance Fixes */
@media (max-width: 768px) {
    * {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    .listing-card {
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05) !important;
    }

    /* Mobilde animasyon bittikten sonra transformu sıfırla ama başlangıçta kalsın */
    .listing-card.revealed {
        transform: translateY(0) !important;
    }

    .main-image-bg-blur {
        display: none !important;
        /* Mobildə ağır blur effektini söndür */
    }

    .listing-card:hover {
        transform: none !important;
    }
}

/* Listing Card Specs */
.listing-specs {
    font-size: 0.83rem;
    color: #64748b;
    margin-bottom: 12px;
    min-height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    white-space: nowrap;
    overflow: hidden;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.spec-icon {
    color: var(--primary);
    font-size: 0.90rem;
}

.spec-divider {
    color: #cbd5e1;
    font-weight: 300;
    margin: 0 1px;
}


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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    ring: 2px solid rgba(59, 130, 246, 0.2);
}

/* Footer */
footer {
    background: var(--secondary);
    color: white;
    padding: 60px 0 30px;
    margin-top: auto;
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    /* Mobile menu needed later */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        /* Daha kompakt görünüş üçün bir az daha azaltdım */
    }

    /* İlan Kartlarını Şaquli Kiçiltmə (Yoxlanılmış 150px hündürlük) */
    .listing-card .img-wrapper {
        height: 150px !important;
    }

    .listing-card .img-wrapper .main-img {
        height: 150px !important;
        object-fit: cover !important;
    }

    .listing-card div[style*="padding: 12px"] {
        padding: 8px !important;
    }

    .listing-card h3 {
        font-size: 0.85rem !important;
        margin-bottom: 4px !important;
    }

    .listing-card div[style*="font-size: 1.25rem"] {
        font-size: 1.1rem !important;
    }

    .listing-specs {
        font-size: 0.72rem !important;
        margin-bottom: 4px !important;
        justify-content: center !important;
        gap: 4px !important;
    }

    .spec-icon {
        display: inline-block !important;
        font-size: 0.75rem !important;
    }

    .spec-divider {
        margin: 0 1px !important;
    }

    .listing-card div[style*="font-size: 0.8rem"] {
        font-size: 0.7rem !important;
    }

    /* Favorilər Səhifəsi Mobil Tənzimləmələr */
    .mobile-container {
        padding: 20px 12px !important;
    }

    .page-header h1 {
        font-size: 1.5rem !important;
        margin-top: 10px !important;
    }

    .page-header p {
        font-size: 0.85rem !important;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        gap: 12px !important;
    }

    /* Barter/Kredit İkonları Orijinal Ölçü və Mövqe */
    .listing-card .status-icons {
        position: absolute !important;
        top: 10px !important;
        left: 10px !important;
        display: flex !important;
        align-items: flex-start !important;
        gap: 6px !important;
        z-index: 20 !important;
    }

    .status-icon-img {
        width: 24px !important;
        /* 27px -> 24px (əlavə 10% kiçildildi) */
        height: auto !important;
        object-fit: contain !important;
    }

    footer {
        display: none !important;
    }
}

/* Favori Düyməsi (Card üzərində) */
.favorite-btn,
.fav-btn,
button[onclick*="toggleFavorite"],
a[onclick*="toggleFavorite"] {
    background: transparent !important;
    border: none !important;
    padding: 8px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
}

/* Favori İkonunu Böyüt */
.favorite-btn i,
.fav-btn i,
button[onclick*="toggleFavorite"] i,
a[onclick*="toggleFavorite"] i {
    font-size: 1.6em !important;
    transition: all 0.3s ease !important;
}

.favorite-btn:hover i,
.fav-btn:hover i,
button[onclick*="toggleFavorite"]:hover i,
a[onclick*="toggleFavorite"]:hover i {
    transform: scale(1.15) !important;
}

/* HERO SECTION STYLES */
.hero-section {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.2;
    width: 100%;
    text-align: center;
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    font-size: 1.2rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
    width: 100%;
    text-align: center;
}

.search-card {
    background: white;
    border-radius: var(--radius);
    padding: 15px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.search-form {
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    border: none;
    background: #f1f5f9;
    padding: 15px 20px;
    border-radius: var(--radius);
    font-size: 1rem;
    outline: none;
    transition: background 0.3s;
}

.search-input:focus {
    background: #e2e8f0;
}

.search-btn {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 700;
}

/* HERO RESPONSIVE */
@media (max-width: 768px) {
    .header-actions {
        display: none !important;
        /* Mobildə header action-ları gizlət */
    }

    .nav-wrapper {
        justify-content: center;
        /* Logo mərkəzə */
        height: 60px;
    }

    .logo {
        font-size: 1.3rem;
        /* 30% kiçilt (1.8 -> 1.3) */
    }

    .hero-section {
        padding: 60px 0;
        /* Boşluğu azalt */
    }

    .hero-title {
        font-size: 2rem;
        /* Başlığı kiçilt */
        padding: 0 10px;
    }

    .hero-desc {
        font-size: 1rem;
        padding: 0 20px;
        margin-bottom: 30px;
    }

    .search-card {
        margin: 0 15px;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }

    .search-form {
        flex-direction: column;
    }

    .search-input {
        background: white;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    .search-btn {
        width: 100%;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }
}

.favorite-btn:hover i,
.fav-btn:hover i,
button[onclick*="toggleFavorite"]:hover i,
a[onclick*="toggleFavorite"]:hover i {
    transform: scale(1.15) !important;
}

/* Premium Copy SweetAlert2 Styles */
.copy-swal-popup {
    border-radius: 20px !important;
    padding: 1.5rem !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
}

.copy-swal-title {
    font-family: 'Poppins', sans-serif !important;
    font-weight: 800 !important;
    color: #1e293b !important;
    font-size: 1.25rem !important;
}