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

:root {
    /* Premium Apple-inspired color palette */
    --primary: #1D1D1F;
    --primary-hover: #000000;
    --primary-light: rgba(29, 29, 31, 0.08);
    --accent: #FF9F0A;
    --accent-hover: #FFB340;
    --accent-light: rgba(255, 159, 10, 0.12);
    --secondary: #86868B;
    --success: #30D158;
    --danger: #FF453A;
    --warning: #FFD60A;

    /* Backgrounds - Warm Apple style */
    --bg-primary: #FBFBFD;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F5F5F7;
    --bg-grouped: #FBFBFD;
    --bg-card: #FFFFFF;
    --bg-elevated: #FFFFFF;

    /* Text colors */
    --text-primary: #1D1D1F;
    --text-secondary: #424245;
    --text-tertiary: #86868B;
    --text-quaternary: #AEAEB2;

    /* Separator */
    --separator: rgba(0, 0, 0, 0.06);
    --separator-opaque: #E8E8ED;

    /* Effects - Apple style shadows */
    --blur-bg: rgba(251, 251, 253, 0.72);
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.06);

    /* Border radius - Apple style (larger, softer) */
    --radius-xs: 8px;
    --radius-sm: 12px;
    --radius: 16px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-2xl: 36px;
    --radius-full: 9999px;

    /* Transitions - Apple-style smooth */
    --transition-fast: all 0.15s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-spring: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #FFFFFF;
        --primary-hover: #F5F5F7;
        --primary-light: rgba(255, 255, 255, 0.1);
        --accent: #FF9F0A;
        --accent-hover: #FFB340;
        --accent-light: rgba(255, 159, 10, 0.15);

        --bg-primary: #000000;
        --bg-secondary: #1C1C1E;
        --bg-tertiary: #2C2C2E;
        --bg-grouped: #000000;
        --bg-card: #1C1C1E;
        --bg-elevated: #2C2C2E;

        --text-primary: #F5F5F7;
        --text-secondary: #A1A1A6;
        --text-tertiary: #86868B;
        --text-quaternary: #48484A;

        --separator: rgba(255, 255, 255, 0.08);
        --separator-opaque: #38383A;

        --blur-bg: rgba(28, 28, 30, 0.72);
        --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
        --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
    }
}

/* Apple SF Pro Font Stack */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.47059;
    letter-spacing: -0.022em;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'kern' 1, 'liga' 1;
    text-rendering: optimizeLegibility;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* ==================== HEADER ==================== */
.header {
    background: var(--blur-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 0.5px solid var(--separator);
    transition: background-color 0.3s ease;
    padding-top: env(safe-area-inset-top, 0px);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    gap: 24px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.03em;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo::before {
    content: '';
    display: none;
}

.logo:hover {
    opacity: 0.7;
}

.nav {
    display: flex;
    gap: 4px;
    background: transparent;
    padding: 0;
    border-radius: 0;
    border: none;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.875rem;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav a.active {
    color: var(--text-primary);
    font-weight: 600;
    background: transparent;
    box-shadow: none;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

#user-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

#user-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 8px 14px;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
    background: var(--bg-tertiary);
    border: none;
}

#user-name:hover {
    background: var(--separator-opaque);
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 12px 22px;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    transition: var(--transition-fast);
}

.btn:active {
    transform: scale(0.97);
}

.btn:active::after {
    opacity: 0.1;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: none;
}

.btn-primary:hover {
    opacity: 0.85;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: none;
}

.btn-secondary:hover {
    background: var(--separator-opaque);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    font-weight: 400;
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--separator-opaque);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--text-tertiary);
    background: var(--bg-tertiary);
}

.btn-accent {
    background: var(--accent);
    color: #000;
}

.btn-accent:hover {
    background: var(--accent-hover);
}

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: 16px 28px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.8125rem;
}

/* ==================== MAIN ==================== */
.main {
    flex: 1;
    padding: 24px 0;
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: pageIn 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

@keyframes pageIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.car-card {
    animation: cardIn 0.5s cubic-bezier(0.25, 0.1, 0.25, 1) both;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== HERO ==================== */
.hero {
    text-align: center;
    padding: 80px 40px 64px;
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    margin-bottom: 56px;
    position: relative;
    overflow: hidden;
    border: none;
    box-shadow: var(--shadow);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 100% 100% at 50% 0%, var(--accent-light) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.5;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.04em;
    position: relative;
    color: var(--text-primary);
    line-height: 1.08;
}

.hero p {
    font-size: 1.3125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    position: relative;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* AutoReels Button in Hero */
.btn-autoreels {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #1D1D1F 0%, #424245 100%);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    z-index: 10;
}

.btn-autoreels:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-lg);
}

.btn-autoreels .autoreels-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
    font-size: 0.75rem;
    color: #000;
}

@media (prefers-color-scheme: dark) {
    .btn-autoreels {
        background: linear-gradient(135deg, #FFFFFF 0%, #A1A1A6 100%);
        color: #000;
    }

    .btn-autoreels .autoreels-icon {
        background: var(--accent);
        color: #000;
    }
}

/* ==================== SEARCH ==================== */
.search-container {
    position: relative;
    max-width: 680px;
    margin: 0 auto;
    z-index: 10;
}

.search-box {
    display: flex;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: var(--transition);
    padding: 6px;
    border: 1px solid var(--separator);
}

.search-box:focus-within {
    box-shadow: var(--shadow-xl), 0 0 0 4px var(--accent-light);
    border-color: var(--accent);
}

.search-box input {
    flex: 1;
    padding: 14px 24px;
    border: none;
    font-size: 1.0625rem;
    background: transparent;
    outline: none;
    font-family: inherit;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-box .btn {
    border-radius: var(--radius-full);
    padding: 12px 28px;
    font-weight: 600;
    font-size: 0.9375rem;
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* Search Suggestions Dropdown */
.search-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #FFFFFF !important;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.1);
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

@media (prefers-color-scheme: dark) {
    .search-suggestions {
        background: #1C1C1E !important;
        border-color: rgba(255, 255, 255, 0.1);
    }
}

.search-suggestions.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 0.5px solid var(--separator);
    background: inherit;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: var(--bg-tertiary);
}

.suggestion-item img {
    width: 56px;
    height: 42px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--bg-tertiary);
}

.suggestion-item .no-image {
    width: 56px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-quaternary);
    font-size: 1.125rem;
}

.suggestion-info {
    flex: 1;
    min-width: 0;
}

.suggestion-title {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-meta {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.suggestion-price {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.suggestions-loading,
.suggestions-empty {
    padding: 28px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9375rem;
}

/* ==================== SECTION TITLES ==================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.main h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.main h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

/* ==================== CONDITION TABS ==================== */
.condition-tabs {
    display: inline-flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    padding: 4px;
    margin-bottom: 32px;
}

.tab-btn {
    padding: 10px 22px;
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* ==================== SEARCH FILTERS ==================== */
.search-filters {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-xl);
    margin-bottom: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--separator);
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.filter-grid select,
.filter-grid input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--separator-opaque);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386868B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.filter-grid input {
    background-image: none;
    cursor: text;
}

.filter-grid select:focus,
.filter-grid input:focus {
    outline: none;
    border-color: var(--text-tertiary);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ==================== CARS GRID ==================== */
.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.car-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--separator);
    display: flex;
    flex-direction: column;
}

.car-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.car-card:active {
    transform: translateY(-2px) scale(0.99);
}

.car-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
    cursor: pointer;
}

.car-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.car-card:hover .car-image {
    transform: scale(1.02);
}

/* Hover zones for image switching */
.hover-zones {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    z-index: 2;
}

.hover-zone {
    flex: 1;
    cursor: pointer;
}

/* Card indicators */
.card-indicators {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    gap: 2px;
    padding: 8px;
    z-index: 3;
    pointer-events: none;
}

.card-indicator {
    flex: 1;
    height: 3px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 2px;
    transition: background 0.15s ease;
}

.card-indicator.active {
    background: white;
}

.car-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--separator-opaque) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-quaternary);
    font-size: 3rem;
}

.badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    z-index: 1;
}

.badge-new {
    background: var(--success);
    color: white;
}

.badge-used {
    background: var(--blur-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
}

.image-count {
    position: absolute;
    bottom: 14px;
    right: 14px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-xs);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.more-photos-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 5;
}

.more-photos-overlay.visible {
    opacity: 1;
}

.car-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.car-title {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.car-price {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.car-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.car-specs span {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xs);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.car-details {
    display: flex;
    gap: 12px;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.car-location {
    color: var(--text-tertiary);
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.car-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 12px 20px;
    border-top: 0.5px solid var(--separator);
}

.car-actions .btn {
    flex: 1;
}

.favorite-btn,
button.favorite-btn,
.car-actions .favorite-btn,
.car-actions button.favorite-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    max-width: 36px !important;
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    border: 0 !important;
    border-width: 0 !important;
    border-style: none !important;
    outline: 0 !important;
    outline-width: 0 !important;
    box-shadow: none !important;
    cursor: pointer;
    transition: transform 0.2s ease;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    margin: 0 !important;
    flex: 0 0 36px !important;
    flex-shrink: 0 !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    border-radius: 0 !important;
}

.favorite-btn:focus,
button.favorite-btn:focus {
    outline: 0 !important;
    box-shadow: none !important;
}

.favorite-btn:hover {
    transform: scale(1.1);
    background: transparent !important;
}

.favorite-btn:active {
    transform: scale(0.9);
    background: transparent !important;
}

/* Heart icon styles */
.heart-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    min-height: 28px;
    display: block;
    transition: all 0.2s ease;
}

.heart-icon path {
    fill: none;
    stroke: var(--text-tertiary);
    stroke-width: 2;
    transition: all 0.2s ease;
}

.heart-icon.filled path,
.favorite-btn.active .heart-icon path,
.bottom-bar-favorite.active .heart-icon path {
    fill: #FF3B30;
    stroke: #FF3B30;
}

.favorite-btn:hover .heart-icon path {
    stroke: #FF3B30;
}

.favorite-btn.active:hover .heart-icon path {
    fill: #FF3B30;
    stroke: #FF3B30;
}

/* ==================== CAR DETAIL PAGE ==================== */
.car-detail {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 32px;
    align-items: start;
}

/* Gallery */
/* Detail Gallery with Swiper */
.detail-gallery {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--separator);
}

.detail-swiper {
    width: 100%;
    aspect-ratio: 16/10;
}

.detail-swiper .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
}

.detail-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-swiper .swiper-button-prev,
.detail-swiper .swiper-button-next {
    color: white;
    background: rgba(0, 0, 0, 0.4);
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.detail-swiper .swiper-button-prev::after,
.detail-swiper .swiper-button-next::after {
    font-size: 18px;
}

.detail-swiper .swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.detail-swiper .swiper-pagination-bullet-active {
    background: white;
}

.detail-image-counter {
    position: absolute;
    bottom: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    z-index: 10;
}

/* Mobile responsive for car detail page */
@media (max-width: 768px) {
    .car-detail {
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .detail-gallery {
        border-radius: 0;
        margin: -16px -16px 0 -16px;
        width: calc(100% + 32px);
    }

    .detail-swiper {
        aspect-ratio: 4/3;
    }

    .detail-swiper .swiper-button-prev,
    .detail-swiper .swiper-button-next {
        display: none;
    }

    .detail-image-counter {
        bottom: 12px;
        right: 12px;
        padding: 5px 10px;
        font-size: 0.8125rem;
    }

    .car-detail-info {
        position: relative;
        top: 0;
        padding: 20px 0;
        background: transparent;
        box-shadow: none;
        border: none;
        border-radius: 0;
    }

    .car-detail-title {
        font-size: 1.5rem;
        margin-bottom: 6px;
    }

    .car-detail-price {
        font-size: 1.75rem;
        margin-bottom: 20px;
    }

    .car-detail-specs {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 4px 16px;
        margin-bottom: 16px;
        border: 1px solid var(--separator);
    }

    .spec-row {
        padding: 12px 0;
    }

    .spec-label,
    .spec-value {
        font-size: 0.875rem;
    }

    .car-description {
        margin-top: 0;
        padding: 16px;
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        border: 1px solid var(--separator);
        margin-bottom: 16px;
    }

    .car-description h3 {
        margin-bottom: 10px;
    }

    .car-description p {
        font-size: 0.875rem;
    }

    .seller-info {
        margin-top: 0;
        padding: 16px;
        border-radius: var(--radius-lg);
        margin-bottom: 16px;
    }

    .seller-info h4 {
        font-size: 0.875rem;
    }

    .seller-phone {
        font-size: 1rem;
    }

    /* Fixed bottom action bar on mobile */
    .car-detail-actions-mobile {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-top: 1px solid var(--separator);
        padding: 12px 16px;
        padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
        display: flex;
        gap: 12px;
        align-items: center;
        z-index: 100;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    }

    .car-detail-actions-mobile .favorite-btn {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
    }

    .car-detail-actions-mobile .btn-call {
        flex: 1;
        height: 48px;
        font-size: 1rem;
        font-weight: 600;
        border-radius: var(--radius-md);
    }

    /* Hide inline actions on mobile, show fixed bar instead */
    .car-detail .car-detail-info > div:last-child:has(.favorite-btn) {
        display: none;
    }

    /* Add bottom padding to page content for fixed bar */
    #page-car-detail {
        padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    }
}

@media (max-width: 480px) {
    .car-detail-title {
        font-size: 1.375rem;
    }

    .car-detail-price {
        font-size: 1.5rem;
    }

    .detail-swiper {
        aspect-ratio: 1/1;
    }
}

.car-detail-info {
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    position: sticky;
    top: 80px;
    border: 1px solid var(--separator);
}

.car-detail-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.car-detail-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.car-detail-specs {
    margin-bottom: 24px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 0.5px solid var(--separator);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--text-tertiary);
    font-size: 0.9375rem;
    font-weight: 400;
}

.spec-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.car-description {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 0.5px solid var(--separator);
}

.car-description h3 {
    margin-bottom: 12px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.car-description p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

.seller-info {
    margin-top: 24px;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: none;
}

.seller-info h4 {
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
}

.seller-phone {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active {
    display: flex;
    animation: modalBgIn 0.3s ease;
}

@keyframes modalBgIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 440px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--separator);
    animation: modalIn 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-large {
    max-width: 600px;
}

.modal-content h2 {
    margin-bottom: 24px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.modal-subtitle {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    margin-top: -16px;
    margin-bottom: 24px;
}

.close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-tertiary);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
    background: var(--bg-tertiary);
}

.close:hover {
    color: var(--text-primary);
    background: var(--separator-opaque);
}

.modal-switch {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 0.5px solid var(--separator);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.modal-switch a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.modal-switch a:hover {
    text-decoration: underline;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--separator-opaque);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 400;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--text-tertiary);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-quaternary);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2386868B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-section {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 0.5px solid var(--separator);
}

.form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-section h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* ==================== PROFILE PAGE ==================== */
.profile-page {
    max-width: 640px;
    margin: 0 auto;
}

.profile-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--separator);
}

.profile-header {
    padding: 48px 32px;
    text-align: center;
    background: var(--text-primary);
    color: var(--bg-primary);
    position: relative;
}

@media (prefers-color-scheme: dark) {
    .profile-header {
        background: linear-gradient(135deg, #2C2C2E 0%, #1C1C1E 100%);
        color: #F5F5F7;
    }
}

.profile-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 16px;
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.profile-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: inherit;
    letter-spacing: -0.02em;
}

.profile-header p {
    opacity: 0.8;
    font-size: 0.9375rem;
    font-weight: 400;
}

.profile-content {
    padding: 28px;
}

.profile-section h3 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.profile-item {
    padding: 14px 0;
}

.profile-item-label {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.profile-item-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.stat-card {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: none;
    transition: var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    background: var(--separator-opaque);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ==================== MOBILE BOTTOM NAVIGATION ==================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    background: var(--blur-bg);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-top: 0.5px solid var(--separator);
    border-left: none;
    border-right: none;
    border-bottom: none;
    z-index: 9999;
    padding: 6px 0;
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
    transition: background-color 0.3s ease;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4px 0;
    color: var(--text-tertiary);
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    flex: 1;
    min-width: 0;
    transition: var(--transition-fast);
    position: relative;
}

.mobile-nav-item span {
    font-size: 10px;
    font-weight: 500;
    margin-top: 4px;
    line-height: 1;
}

.mobile-nav-icon {
    width: 24px;
    height: 24px;
    stroke-width: 1.8;
    flex-shrink: 0;
}

.mobile-nav-item.active {
    color: var(--text-primary);
}

.mobile-nav-item.active .mobile-nav-icon {
    stroke-width: 2.2;
}

.mobile-nav-item:active {
    opacity: 0.6;
    transform: scale(0.92);
}

/* Show mobile nav on screens <= 768px */
@media screen and (max-width: 768px) {
    .header .container {
        height: 52px;
        padding: 0 16px;
    }

    .logo {
        font-size: 1.375rem;
    }

    /* Hide desktop nav */
    .nav {
        display: none;
    }

    .auth-buttons {
        gap: 8px;
    }

    .auth-buttons .btn-primary {
        padding: 8px 14px;
        font-size: 0.8125rem;
    }

    .auth-buttons .btn-ghost {
        display: none;
    }

    #user-name {
        display: none;
    }

    .mobile-nav {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        justify-content: space-around;
    }

    body {
        padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)) !important;
    }

    .footer {
        display: none !important;
    }

    .main {
        min-height: calc(100vh - 76px - env(safe-area-inset-bottom, 0px));
        padding: 16px 0;
    }

    .hero {
        padding: 48px 24px;
        margin-bottom: 32px;
        border-radius: var(--radius-xl);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.0625rem;
    }

    .cars-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media screen and (max-width: 480px) {
    .mobile-nav-item span {
        font-size: 9px;
    }

    .mobile-nav-icon {
        width: 22px;
        height: 22px;
    }

    .container {
        padding: 0 16px;
    }
}

/* ==================== LOADING & SKELETON ==================== */
.loading {
    text-align: center;
    padding: 60px;
    color: var(--text-tertiary);
    font-size: 0.9375rem;
    font-weight: 500;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--separator-opaque);
    border-top-color: var(--text-tertiary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--separator-opaque) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-xs);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-card {
    pointer-events: none;
    border-color: var(--separator);
}

.skeleton-title { height: 22px; width: 75%; margin-bottom: 10px; }
.skeleton-price { height: 26px; width: 45%; margin-bottom: 14px; }
.skeleton-spec { height: 18px; width: 55px; }
.skeleton-location { height: 16px; width: 35%; margin-top: 10px; }

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: 80px 24px;
    color: var(--text-tertiary);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px dashed var(--separator-opaque);
    margin: 20px 0;
}

.empty-state-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.empty-state p {
    font-size: 0.9375rem;
    max-width: 320px;
    margin: 0 auto;
    font-weight: 400;
}

/* ==================== TOAST NOTIFICATIONS ==================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--separator);
    border-radius: var(--radius-lg);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    max-width: 360px;
}

.toast.toast-success {
    border-left: 3px solid var(--success);
}

.toast.toast-error {
    border-left: 3px solid var(--danger);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Print */
@media print {
    .header, .footer, .btn, .modal, .mobile-nav {
        display: none !important;
    }
}

/* Page header with action button */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    margin-bottom: 0;
}

/* ==================== NEW FILTER FORM ==================== */

/* Condition Toggles */
.condition-toggles {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    background: #f0f0f0;
    border-radius: 10px;
    padding: 4px;
}

.condition-toggle {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.condition-toggle.active {
    background: white;
    color: #1a1a1a;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.condition-toggle:hover:not(.active) {
    color: #333;
}

/* Filter Form */
.filter-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

/* Filter Field */
.filter-field {
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    background: #f5f5f5;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    min-height: 56px;
}

.filter-field:hover {
    background: #ebebeb;
}

.filter-field.active {
    background: #e3f0ff;
}

.filter-field-brand.active {
    background: #e3f0ff;
}

.filter-label {
    font-size: 0.75rem;
    color: #888;
    margin-bottom: 2px;
}

.filter-value {
    font-size: 1rem;
    color: #1a1a1a;
    font-weight: 500;
}

.filter-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
}

/* Filter Row with Add Button */
.filter-row {
    display: flex;
    gap: 8px;
}

.filter-row .filter-field {
    flex: 1;
}

.filter-add-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border: none;
    border-radius: 12px;
    font-size: 1.5rem;
    color: #888;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-add-btn:hover {
    background: #ebebeb;
    color: #007AFF;
}

/* Double Input Row */
.filter-row-double {
    display: flex;
    gap: 8px;
}

.filter-field-input {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 12px 16px;
    background: #f5f5f5;
    border-radius: 12px;
    min-height: 56px;
}

.filter-field-input input {
    border: none;
    background: transparent;
    font-size: 1rem;
    color: #1a1a1a;
    font-weight: 500;
    outline: none;
    width: 100%;
    padding: 0;
    margin-top: 2px;
}

.filter-field-input input::placeholder {
    color: #aaa;
    font-weight: 400;
}

/* Filter Actions */
.filter-actions {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.filter-reset-btn {
    padding: 14px 24px;
    background: #f5f5f5;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    color: #666;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-reset-btn:hover {
    background: #ebebeb;
}

.filter-search-btn {
    flex: 1;
    padding: 14px 24px;
    background: #007AFF;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-search-btn:hover {
    background: #0066dd;
}

/* Sorting Dropdown */
.sort-container {
    display: none;
    position: relative;
    margin-bottom: 16px;
}

.sort-container.visible {
    display: block;
}

.sort-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--separator);
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.sort-trigger:hover {
    border-color: var(--text-quaternary);
    background: var(--bg-tertiary);
}

.sort-trigger svg:first-child {
    color: var(--text-tertiary);
}

.sort-chevron {
    color: var(--text-quaternary);
    transition: transform 0.2s ease;
}

.sort-container.open .sort-chevron {
    transform: rotate(180deg);
}

.sort-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 220px;
    background: var(--bg-card);
    border: 1px solid var(--separator);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    overflow: hidden;
}

.sort-container.open .sort-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sort-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    font-size: 0.9375rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.15s ease;
}

.sort-option:hover {
    background: var(--bg-tertiary);
}

.sort-option:not(:last-child) {
    border-bottom: 0.5px solid var(--separator);
}

.sort-check {
    color: var(--success);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.sort-option.active .sort-check {
    opacity: 1;
}

.sort-option.active {
    color: var(--success);
    font-weight: 500;
}

@media (prefers-color-scheme: dark) {
    .sort-dropdown {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
}

/* Filter Modal */
.filter-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
}

.filter-modal.active {
    display: block;
}

.filter-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
}

.filter-modal-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 20px 20px 0 0;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.filter-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.filter-modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.filter-modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    color: #666;
    cursor: pointer;
}

.filter-modal-body {
    padding: 20px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* Brand Grid in Modal */
.brand-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

@media (max-width: 480px) {
    .brand-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

.brand-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    background: #f5f5f5;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.brand-grid-item:hover {
    background: #ebebeb;
}

.brand-grid-item.active {
    border-color: #007AFF;
    background: #e3f0ff;
}

.brand-grid-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.brand-grid-all {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ddd;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    color: #666;
}

.brand-grid-text {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ddd;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 600;
    color: #333;
}

.brand-grid-item span {
    font-size: 0.8rem;
    color: #333;
    text-align: center;
}

/* Options List in Modal */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.option-item {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    background: #f5f5f5;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.option-item:hover {
    background: #ebebeb;
}

.option-item.active {
    background: #e3f0ff;
    color: #007AFF;
    font-weight: 500;
}

.option-item .checkmark {
    margin-left: auto;
    color: #007AFF;
    display: none;
}

.option-item.active .checkmark {
    display: block;
}

/* Desktop adjustments */
@media (min-width: 768px) {
    .filter-form {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .filter-row {
        grid-column: span 1;
    }

    .filter-row-double {
        grid-column: span 1;
    }

    .filter-actions {
        grid-column: span 2;
    }

    .filter-modal-content {
        max-width: 500px;
        left: 50%;
        transform: translateX(-50%);
        bottom: 10%;
        border-radius: 20px;
        max-height: 70vh;
    }

    @keyframes slideUp {
        from { transform: translateX(-50%) translateY(100%); opacity: 0; }
        to { transform: translateX(-50%) translateY(0); opacity: 1; }
    }
}