@layer reset, base, components, utilities, animations;

@layer reset {
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    
    html {
        font-family: 'Inter', system-ui, -apple-system, sans-serif;
        color-scheme: dark;
        scroll-behavior: smooth;
    }
}

@layer base {
    :root {
        --bg-color: #050508;
        --card-bg: rgba(20, 20, 30, 0.6);
        --text-primary: #f8fafc;
        --text-secondary: #94a3b8;
        --accent-primary: #8b5cf6; /* Violet */
        --accent-secondary: #06b6d4; /* Cyan */
        --error-color: #ef4444;
        --success-color: #10b981;
        --glow-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
        --glass-border: rgba(255, 255, 255, 0.1);
        --radius-lg: 16px;
        --radius-md: 12px;
        --space-sm: 8px;
        --space-md: 16px;
        --space-lg: 32px;
        --space-xl: 64px;
    }

    body {
        background-color: var(--bg-color);
        color: var(--text-primary);
        line-height: 1.6;
        overflow-x: hidden;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    .background-texture {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
        background: 
            radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.15), transparent 40%),
            radial-gradient(circle at 80% 80%, rgba(6, b6, d4, 0.15), transparent 40%);
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3%3Cfilter id='noiseFilter'%3%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3%3C/filter%3%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3%3C/svg%3%3E"), 
            radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.15), transparent 40%),
            radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.15), transparent 40%);
        opacity: 0.4;
    }
}

@layer components {
    .app-container {
        max-width: 1000px;
        margin-inline: auto;
        padding: var(--space-xl) var(--space-md);
        flex: 1;
        width: 100%;
    }

    .hero {
        text-align: center;
        margin-block-end: var(--space-xl);
        animation: fadeInDown 0.8s ease-out;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4.5rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        line-height: 1.1;
        margin-block-end: var(--space-md);
    }

    .gradient-text {
        background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 3vw, 1.25rem);
        color: var(--text-secondary);
        max-width: 600px;
        margin-inline: auto;
    }

    .capture-section {
        margin-block-end: var(--space-xl);
    }

    .ads-container {
        margin-block-end: var(--space-xl);
        min-height: 100px;
        background: rgba(255, 255, 255, 0.02);
        border-radius: var(--radius-md);
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
    }

    .input-group {
        display: flex;
        gap: var(--space-sm);
        background: var(--card-bg);
        padding: 8px;
        border-radius: var(--radius-lg);
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(12px);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        transition: all 0.3s ease;
    }

    .input-group:focus-within {
        border-color: var(--accent-primary);
        box-shadow: var(--glow-shadow);
        transform: translateY(-2px);
    }

    input[type="url"] {
        flex: 1;
        background: transparent;
        border: none;
        color: var(--text-primary);
        padding: var(--space-md);
        font-size: 1rem;
        outline: none;
    }

    input[type="url"]::placeholder {
        color: var(--text-secondary);
        opacity: 0.6;
    }

    .primary-btn {
        background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
        color: white;
        border: none;
        padding: 0 var(--space-lg);
        border-radius: var(--radius-md);
        font-weight: 600;
        cursor: pointer;
        transition: transform 0.2s, opacity 0.2s;
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 120px;
    }

    .primary-btn:hover {
        transform: scale(1.02);
        opacity: 0.9;
    }

    .primary-btn:active {
        transform: scale(0.98);
    }

    .loader {
        width: 20px;
        height: 20px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-radius: 50%;
        border-top-color: #fff;
        animation: spin 0.8s linear infinite;
    }

    .error-msg {
        color: var(--error-color);
        font-size: 0.875rem;
        margin-block-start: var(--space-sm);
        padding-inline-start: var(--space-md);
    }

    .result-section {
        margin-block-end: var(--space-xl);
        animation: fadeInUp 0.6s ease-out;
    }

    .result-card {
        background: var(--card-bg);
        border-radius: var(--radius-lg);
        border: 1px solid var(--glass-border);
        overflow: hidden;
        backdrop-filter: blur(12px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    }

    .card-header {
        padding: var(--space-md) var(--space-lg);
        border-bottom: 1px solid var(--glass-border);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .secondary-btn {
        background: rgba(255, 255, 255, 0.1);
        color: var(--text-primary);
        border: 1px solid var(--glass-border);
        padding: var(--space-sm) var(--space-md);
        border-radius: var(--radius-md);
        cursor: pointer;
        transition: all 0.2s;
    }

    .secondary-btn:hover {
        background: rgba(255, 255, 255, 0.2);
    }

    .image-container {
        width: 100%;
        max-height: 600px;
        overflow-y: auto;
        padding: var(--space-md);
        background: #000;
    }

    .image-container img {
        width: 100%;
        height: auto;
        display: block;
        border-radius: 4px;
    }

    .history-section {
        border-top: 1px solid var(--glass-border);
        padding-block-start: var(--space-xl);
    }

    .section-title {
        font-size: 1.5rem;
        margin-block-end: var(--space-lg);
    }

    .history-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--space-lg);
    }

    .history-item {
        background: var(--card-bg);
        border-radius: var(--radius-md);
        border: 1px solid var(--glass-border);
        overflow: hidden;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .history-item:hover {
        transform: translateY(-5px);
        border-color: var(--accent-secondary);
        box-shadow: 0 10px 30px rgba(6, 182, 212, 0.1);
    }

    .history-thumb {
        height: 160px;
        background-size: cover;
        background-position: top center;
        border-bottom: 1px solid var(--glass-border);
    }

    .history-info {
        padding: var(--space-md);
    }

    .history-url {
        font-size: 0.875rem;
        font-weight: 600;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        color: var(--text-primary);
    }

    .history-date {
        font-size: 0.75rem;
        color: var(--text-secondary);
    }

    .empty-state {
        grid-column: 1 / -1;
        text-align: center;
        color: var(--text-secondary);
        padding: var(--space-xl);
        border: 2px dashed var(--glass-border);
        border-radius: var(--radius-lg);
    }

    .app-footer {
        padding: var(--space-lg);
        text-align: center;
        color: var(--text-secondary);
        font-size: 0.875rem;
        border-top: 1px solid var(--glass-border);
    }
}

@layer utilities {
    .hidden { display: none !important; }
}

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

    @keyframes fadeInDown {
        from { opacity: 0; transform: translateY(-30px); }
        to { opacity: 1; transform: translateY(0); }
    }

    @keyframes fadeInUp {
        from { opacity: 0; transform: translateY(30px); }
        to { opacity: 1; transform: translateY(0); }
    }
}

/* Mobile Adjustments */
@media (max-width: 640px) {
    .input-group {
        flex-direction: column;
        padding: var(--space-sm);
    }
    
    .primary-btn {
        width: 100%;
        padding: var(--space-md);
    }

    .hero {
        margin-block-end: var(--space-lg);
    }
}