:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-input: #f0f0f0;
    --bg-overlay: rgba(255, 255, 255, 0.9);
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5e;
    --text-muted: #88889a;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --accent-color: #2196F3;
    --accent-hover: #1976D2;
    --logo-color-start: #0D47A1;
    --logo-color-end: #42A5F5;
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --bg-primary: #0A0A0F;
    --bg-secondary: #14141C;
    --bg-card: #111118;
    --bg-input: #1a1a24;
    --bg-overlay: rgba(10, 10, 15, 0.9);
    --text-primary: #E8E8F0;
    --text-secondary: #C0C0D0;
    --text-muted: #88889a;
    --border-color: #2A2A35;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.5);
    --accent-color: #FF3A2F;
    --accent-hover: #D62B1F;
    --logo-color-start: #FFB5A0;
    --logo-color-end: #FFD4C4;
}

.language-switcher {
    position: fixed;
    top: 24px;
    right: 24px;
    display: flex;
    gap: 8px;
    z-index: 1100;
    background: var(--bg-overlay);
    backdrop-filter: blur(12px);
    padding: 6px 12px;
    border-radius: 60px;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 20px var(--shadow-color);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.language-switcher .lang-btn {
    background: transparent;
    border: none;
    padding: 6px 14px;
    cursor: pointer;
    font-weight: 600;
    border-radius: 40px;
    transition: all 0.2s ease;
    font-size: 13px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.language-switcher .lang-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 58, 47, 0.1);
}

.language-switcher .lang-btn.active {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 0 8px rgba(255, 58, 47, 0.5);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0px 24px 60px;
}

.page-header {
    margin-bottom: 28px;
    text-align: center;
}

.page-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin: 0;
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
}

.brand-heading {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
    color: var(--text-muted);
}

.brand-logo {
    display: inline-block;
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
    margin: 0 auto;
}

.brand-logo img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-logo .logo-light {
    display: block !important;
}

.brand-logo .logo-dark {
    display: none !important;
}

[data-theme="dark"] .brand-logo .logo-light {
    display: none !important;
}

[data-theme="dark"] .brand-logo .logo-dark {
    display: block !important;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 16px;
    margin-top: 8px;
}

.model-section {
    margin-bottom: 12px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--bg-card);
    box-shadow: 0 4px 20px var(--shadow-color);
    transition: box-shadow 0.3s ease;
}

.model-section:hover {
    box-shadow: 0 8px 30px var(--shadow-hover);
}

.model-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    gap: 10px;
    flex-wrap: wrap;
}

.model-header:hover {
    background: var(--bg-input);
}

.model-header.active {
    background: var(--bg-input);
    border-bottom: 1px solid var(--border-color);
}

.model-header .model-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-header .model-name i {
    color: var(--accent-color);
    font-size: 18px;
}

.model-header .model-count {
    font-size: 14px;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 4px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.model-header .toggle-icon {
    color: var(--text-muted);
    font-size: 16px;
    transition: transform 0.3s ease;
    margin-left: 8px;
}

.model-header.active .toggle-icon {
    transform: rotate(180deg);
}

.model-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
    padding: 0 24px;
    background: var(--bg-card);
}

.model-content.open {
    max-height: 10000px;
    opacity: 1;
    padding: 20px 24px;
}

/* ===== ПОКОЛЕНИЯ ===== */
.generation-section {
    margin-bottom: 8px;
}

.generation-subheader {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    margin: 8px 0 0 0;
    background: var(--bg-secondary);
    border-radius: 12px;
    border-left: 3px solid var(--accent-color);
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

.generation-subheader:hover {
    background: var(--bg-input);
}

.generation-subheader.active {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.generation-subheader .gen-icon {
    color: var(--accent-color);
    font-size: 14px;
}

.generation-subheader .gen-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.generation-subheader .gen-count {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}

.generation-subheader .toggle-icon {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 12px;
    transition: transform 0.3s ease;
}

.generation-subheader.active .toggle-icon {
    transform: rotate(180deg);
}

.generation-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.25s ease;
    padding: 0 0 0 10px;
    background: var(--bg-card);
    border-left: 3px solid var(--border-color);
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
}

.generation-content.open {
    max-height: 5000px;
    opacity: 1;
    padding: 12px 0 12px 10px;
}

.model-cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    padding-left: 10px;
    padding-top: 4px;
}

.car-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: 0 2px 12px var(--shadow-color);
    display: block;
}

.car-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: 0 12px 28px var(--shadow-hover);
}

.car-card .car-image-container {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.car-card .car-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.car-card:hover .car-image {
    transform: scale(1.05);
}

.car-card .no-image {
    font-size: 36px;
    color: var(--text-muted);
}

.car-card .car-info {
    padding: 14px 16px;
}

.car-card .car-model-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.car-card .car-details {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 56px;
    display: block;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.alert {
    background: rgba(255, 58, 47, 0.1);
    border: 1px solid #FF3A2F;
    color: #FF3A2F;
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 20px;
    text-align: center;
}

.model-header .model-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .language-switcher {
        top: 16px;
        right: 16px;
        padding: 4px 10px;
        gap: 4px;
    }

    .language-switcher .lang-btn {
        padding: 4px 10px;
        font-size: 10px;
    }

    .container {
        padding: 0px 12px 40px;
    }

    .page-title {
        font-size: 28px;
    }

    .brand-logo {
        width: 100px;
        height: 100px;
    }

    .brand-heading {
        display: none;
    }

    .model-header {
        padding: 14px 16px;
    }

    .model-header .model-name {
        font-size: 17px;
    }

    .model-content.open {
        padding: 16px;
    }

    .model-cars-grid {
        grid-template-columns: 1fr 1fr;
        padding-left: 0;
        gap: 12px;
    }

    .car-card .car-image-container {
        height: 200px;
    }

    .generation-subheader {
        margin-left: 0;
        flex-wrap: wrap;
        padding: 8px 12px;
    }

    .generation-subheader .gen-count {
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .language-switcher {
        top: 12px;
        right: 12px;
        padding: 3px 8px;
        gap: 4px;
    }

    .language-switcher .lang-btn {
        padding: 3px 8px;
        font-size: 9px;
    }

    .page-title {
        font-size: 22px;
    }

    .model-header {
        padding: 12px 14px;
    }

    .model-header .model-name {
        font-size: 15px;
    }

    .model-header .model-count {
        font-size: 12px;
        padding: 2px 12px;
    }

    .model-content.open {
        padding: 12px;
    }

    .model-cars-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .car-card .car-image-container {
        height: 180px;
    }

    .car-card .car-model-name {
        font-size: 14px;
    }

    .car-card .car-details {
        font-size: 12px;
    }

    .generation-subheader .gen-name {
        font-size: 13px;
    }
}