/* ========================================
   TC Cars — Premium Dark Theme
   ======================================== */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(18, 18, 28, 0.7);
    --bg-card-hover: rgba(25, 25, 40, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent-primary: #6c5ce7;
    --accent-secondary: #a855f7;
    --accent-glow: rgba(108, 92, 231, 0.15);
    --accent-gradient: linear-gradient(135deg, #6c5ce7, #a855f7);
    --success: #10b981;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.1);
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- Animated Background Glows --- */

.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.15), transparent);
    top: -200px;
    right: -200px;
    animation: glowFloat1 20s ease-in-out infinite;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1), transparent);
    bottom: -150px;
    left: -150px;
    animation: glowFloat2 25s ease-in-out infinite;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.08), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: glowFloat3 18s ease-in-out infinite;
}

@keyframes glowFloat1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-60px, 40px); }
    66% { transform: translate(30px, -50px); }
}

@keyframes glowFloat2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(50px, -30px); }
    66% { transform: translate(-40px, 60px); }
}

@keyframes glowFloat3 {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* --- Header --- */

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.logo h1 {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}



/* --- Main --- */

main {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
    min-height: calc(100vh - 200px);
}

/* --- Search Section --- */

.search-section {
    margin-bottom: 40px;
}

.search-row {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 700px;
    margin: 0 auto;
}

.search-container {
    position: relative;
    flex: 1;
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    pointer-events: none;
}

#searchInput {
    width: 100%;
    padding: 16px 50px 16px 52px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    outline: none;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
}

#searchInput::placeholder {
    color: var(--text-muted);
}

#searchInput:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow), var(--shadow-glow);
    background: var(--bg-card-hover);
}

#searchInput:focus ~ .search-icon {
    color: var(--accent-primary);
}

.search-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    display: none;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.search-clear:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.search-clear svg {
    width: 16px;
    height: 16px;
}

.search-clear.visible {
    display: flex;
}

.search-info {
    text-align: center;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-height: 20px;
}

/* --- Refresh Button --- */

.refresh-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-xl);
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-smooth);
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
    flex-shrink: 0;
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(108, 92, 231, 0.45);
}

.refresh-btn:active {
    transform: translateY(0);
}

.refresh-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.6s ease;
}

.refresh-btn.spinning svg {
    animation: refreshSpin 0.8s linear infinite;
}

.refresh-btn.spinning {
    opacity: 0.8;
    cursor: wait;
}

@keyframes refreshSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Cars Grid --- */

.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    animation: fadeInUp 600ms ease-out;
}

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

/* --- Car Card --- */

.car-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(10px);
    animation: cardEnter 400ms ease-out both;
}

.car-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
    background: var(--bg-card-hover);
}

.car-card-image {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-secondary);
}

.car-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

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

.car-card-image .image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.car-card:hover .image-overlay {
    opacity: 1;
}

.car-card-body {
    padding: 16px;
}

.car-spawn-code {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.car-spawn-code .code-tag {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 3px 8px;
    background: var(--accent-glow);
    color: var(--accent-secondary);
    border-radius: 6px;
    border: 1px solid rgba(168, 85, 247, 0.15);
    flex-shrink: 0;
}

.car-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.copy-btn {
    margin-top: 10px;
    width: 100%;
    padding: 8px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.copy-btn:hover {
    background: var(--accent-glow);
    border-color: rgba(108, 92, 231, 0.3);
    color: var(--accent-secondary);
}

.copy-btn.copied {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--success);
}

@keyframes cardEnter {
    from { opacity: 0; transform: translateY(16px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Loading --- */

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 0;
    gap: 16px;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 800ms linear infinite;
}

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

/* --- Empty State --- */

.empty-state {
    text-align: center;
    padding: 80px 0;
    color: var(--text-muted);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* --- Modal / Lightbox --- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    max-width: 900px;
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-spring);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content img {
    width: 100%;
    display: block;
}

.modal-info {
    padding: 20px 24px;
}

.modal-info h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.modal-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.15);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

/* --- Footer --- */

footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 24px 32px;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-subtle);
}

/* --- Responsive --- */

@media (max-width: 768px) {
    .header-content {
        padding: 12px 16px;
    }

    .logo h1 {
        font-size: 1.1rem;
    }

    main {
        padding: 20px 16px;
    }

    .cars-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 14px;
    }

    .stat-number {
        font-size: 1.2rem;
    }

    .modal-content {
        max-width: 100%;
    }

    .refresh-btn span {
        display: none;
    }

    .refresh-btn {
        padding: 14px;
    }
}

@media (max-width: 480px) {
    .cars-grid {
        grid-template-columns: 1fr;
    }

    .subtitle {
        display: none;
    }
}

/* --- Scrollbar --- */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}