/* ============================================
   SoundWave - Music Downloader
   Modern Dark Theme with Glassmorphism
   ============================================ */

/* ============ CSS Variables ============ */
:root {
    /* Background Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    /* Accent Colors - Mint Green Theme */
    --accent-primary: #386641;
    --accent-secondary: #2D5A27;
    --accent-dark: #1B4332;
    --neon-purple: #386641;
    --neon-blue: #2D5A27;
    --neon-pink: #1B4332;
    --neon-cyan: #386641;
    --neon-green: #386641;
    --neon-orange: #2D5A27;

    /* Gradients - Mint Theme */
    --gradient-primary: linear-gradient(135deg, #386641 0%, #2D5A27 50%, #1B4332 100%);
    --gradient-purple-pink: linear-gradient(135deg, #386641 0%, #1b4332 100%);
    --gradient-blue-cyan: linear-gradient(135deg, #2D5A27 0%, #386641 100%);
    --gradient-glow: linear-gradient(135deg, rgba(56, 102, 65, 0.4) 0%, rgba(45, 90, 39, 0.4) 100%);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* Border Colors */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(168, 85, 247, 0.3);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Font */
    --font-family: 'DM Mono', monospace;

    /* ============ Reset & Base ============ */
    *,
    *::before,
    *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        font-size: 16px;
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-family);
        background-color: var(--bg-primary);
        color: var(--text-primary);
        min-height: 100vh;
        overflow-x: hidden;
        line-height: 1.6;
    }

    /* ============ Background Effects ============ */
    .bg-effects {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: -1;
        overflow: hidden;
        background: radial-gradient(ellipse at bottom, #1a1a2e 0%, #0a0a0f 100%);
    }

    /* Hide gradient orbs */
    .gradient-orb {
        display: none;
    }

    /* Hide center glow */
    .horizon-glow {
        display: none;
    }

    /* Animated Starfield - Layer 1 (Slow, Large Stars) */
    .bg-effects::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image:
            radial-gradient(2px 2px at 20px 30px, var(--accent-primary), transparent),
            radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.8), transparent),
            radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.6), transparent),
            radial-gradient(2px 2px at 160px 120px, var(--accent-primary), transparent),
            radial-gradient(1px 1px at 230px 80px, rgba(255, 255, 255, 0.5), transparent),
            radial-gradient(2px 2px at 300px 160px, rgba(255, 255, 255, 0.7), transparent),
            radial-gradient(1px 1px at 380px 60px, var(--accent-primary), transparent),
            radial-gradient(2px 2px at 450px 140px, rgba(255, 255, 255, 0.6), transparent),
            radial-gradient(1px 1px at 520px 200px, rgba(255, 255, 255, 0.8), transparent),
            radial-gradient(2px 2px at 600px 100px, var(--accent-primary), transparent);
        background-size: 650px 250px;
        animation: starfield-slow 60s linear infinite;
        opacity: 0.8;
    }

    /* Animated Starfield - Layer 2 (Fast, Small Stars) */
    .bg-effects::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image:
            radial-gradient(1px 1px at 50px 50px, rgba(255, 255, 255, 0.4), transparent),
            radial-gradient(1px 1px at 100px 150px, rgba(255, 255, 255, 0.3), transparent),
            radial-gradient(1px 1px at 200px 75px, rgba(255, 255, 255, 0.5), transparent),
            radial-gradient(1px 1px at 300px 200px, rgba(255, 255, 255, 0.35), transparent),
            radial-gradient(1px 1px at 400px 125px, rgba(255, 255, 255, 0.4), transparent),
            radial-gradient(1px 1px at 500px 50px, rgba(255, 255, 255, 0.3), transparent),
            radial-gradient(1px 1px at 150px 175px, rgba(255, 255, 255, 0.5), transparent),
            radial-gradient(1px 1px at 250px 25px, rgba(255, 255, 255, 0.35), transparent),
            radial-gradient(1px 1px at 350px 100px, rgba(255, 255, 255, 0.4), transparent),
            radial-gradient(1px 1px at 450px 175px, rgba(255, 255, 255, 0.3), transparent);
        background-size: 550px 220px;
        animation: starfield-fast 30s linear infinite;
        opacity: 0.6;
    }

    @keyframes starfield-slow {
        0% {
            transform: translateY(0);
        }

        100% {
            transform: translateY(-250px);
        }
    }

    @keyframes starfield-fast {
        0% {
            transform: translateY(0);
        }

        100% {
            transform: translateY(-220px);
        }
    }

    /* Subtle glow at center */
    .bg-effects .horizon-glow {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(175, 225, 175, 0.08) 0%, transparent 70%);
        border-radius: 50%;
        filter: blur(40px);
    }

    /* ============ Status Indicators ============ */
    .status-container {
        position: fixed;
        top: 20px;
        left: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .status-pill {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 12px;
        background: rgba(0, 0, 0, 0.6);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 99px;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        color: var(--text-secondary);
        font-size: 0.75rem;
        font-weight: 500;
        transition: all var(--transition-normal);
        user-select: none;
        width: fit-content;
        cursor: default;
    }

    .status-pill:hover {
        /* Black Border on Hover */
        border-color: #000000;
        background: rgba(0, 0, 0, 0.6);
        transform: translateX(5px);
    }

    .status-pill .status-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--neon-green);
        box-shadow: 0 0 10px var(--neon-green);
        animation: pulse-dot 2s infinite;
    }

    .status-pill.server-status.offline .status-dot {
        background: #ef4444;
        box-shadow: 0 0 8px #ef4444;
        animation: none;
    }

    .status-pill.server-status.offline .status-text {
        color: #fca5a5;
    }

    .status-pill .stat-icon {
        font-size: 1rem;
    }

    .status-pill .stat-divider {
        color: rgba(255, 255, 255, 0.3);
        margin: 0 4px;
        font-weight: 300;
    }

    .status-pill .stat-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    @keyframes pulse-dot {

        0%,
        100% {
            opacity: 1;
            transform: scale(1);
        }

        50% {
            opacity: 0.5;
            transform: scale(1.2);
        }
    }


    /* ============ Social Links ============ */
    .social-links {
        position: fixed;
        bottom: 20px;
        left: 15px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
        user-select: none;
    }

    .social-link {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 12px;
        background: rgba(0, 0, 0, 0.6);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-full);
        backdrop-filter: blur(10px);
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 0.75rem;
        font-weight: 500;
        transition: all var(--transition-normal);
    }

    .social-link:hover {
        /* Black Border on Hover - No Color Shift */
        border-color: rgba(255, 255, 255, 0.8);
        background: rgba(0, 0, 0, 0.6);
        color: var(--text-secondary);
        transform: translateX(5px);
    }

    .social-link svg {
        flex-shrink: 0;
    }

    .gradient-orb {
        position: absolute;
        border-radius: 50%;
        filter: blur(100px);
        opacity: 0.4;
        animation: float 20s ease-in-out infinite;
    }

    .orb-1 {
        width: 600px;
        height: 600px;
        background: var(--neon-purple);
        top: -200px;
        left: -200px;
        animation-delay: 0s;
    }

    .orb-2 {
        width: 500px;
        height: 500px;
        background: var(--neon-blue);
        top: 50%;
        right: -150px;
        animation-delay: -7s;
    }

    .orb-3 {
        width: 400px;
        height: 400px;
        background: var(--neon-pink);
        bottom: -100px;
        left: 30%;
        animation-delay: -14s;
    }

    @keyframes float {

        0%,
        100% {
            transform: translate(0, 0) scale(1);
        }

        25% {
            transform: translate(30px, -30px) scale(1.05);
        }

        50% {
            transform: translate(-20px, 20px) scale(0.95);
        }

        75% {
            transform: translate(-30px, -20px) scale(1.02);
        }
    }

    /* ============ Container ============ */
    .container {
        max-width: 800px;
        margin: 0 auto;
        padding: var(--spacing-xl);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        position: relative;
    }

    /* ============ Header ============ */
    .header {
        text-align: center;
        margin-bottom: var(--spacing-2xl);
        padding-top: var(--spacing-xl);
    }

    .logo {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
        user-select: none;
        cursor: default;
    }

    .logo-icon {
        display: flex;
        align-items: center;
        width: 60px;
        height: 60px;
        border-radius: var(--radius-sm);
        overflow: hidden;
    }

    .logo-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .logo-text {
        font-size: 3rem;
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: -0.02em;
    }

    .header-right {
        position: absolute;
        top: 2rem;
        right: 2rem;
        z-index: 100;
    }

    .lang-switcher {
        display: flex;
        align-items: center;
        gap: 4px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 4px;
        border-radius: var(--radius-md);
        backdrop-filter: blur(10px);
    }

    .lang-btn {
        background: none;
        border: none;
        color: var(--text-muted);
        font-family: inherit;
        font-size: 0.75rem;
        font-weight: 700;
        cursor: pointer;
        transition: all var(--transition-fast);
        padding: 6px 10px;
        border-radius: var(--radius-sm);
        text-transform: uppercase;
    }

    .lang-btn:hover {
        color: var(--text-secondary);
        background: rgba(255, 255, 255, 0.05);
    }

    .lang-btn.active {
        color: var(--text-primary);
        background: rgba(0, 0, 0, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .lang-divider {
        display: none;
        /* Removed divider in favor of button blocks */
    }

    .tagline {
        color: var(--text-secondary);
        font-size: 1.1rem;
        font-weight: 300;
        user-select: none;
        cursor: default;
    }

    /* ============ Settings Button & Panel ============ */
    .settings-btn {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
        background: rgba(0, 0, 0, 0.7);
        border: 1px solid var(--border-color);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        z-index: 1000;
        backdrop-filter: blur(10px);
    }

    .settings-btn:hover {
        background: rgba(0, 0, 0, 0.9);
        color: white;
        border-color: rgba(255, 255, 255, 0.8);
        transform: rotate(45deg);
    }

    .settings-panel {
        position: fixed;
        bottom: 80px;
        right: 20px;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        min-width: 220px;
        z-index: 1000;
        backdrop-filter: blur(20px);
        box-shadow: var(--shadow-lg);
    }

    .settings-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--spacing-md);
        font-weight: 600;
        color: var(--text-primary);
    }

    .settings-close {
        background: none;
        border: none;
        color: var(--text-muted);
        font-size: 1.5rem;
        cursor: pointer;
        transition: color var(--transition-fast);
    }

    .settings-close:hover {
        color: var(--accent-primary);
    }

    .settings-group {
        margin-bottom: var(--spacing-md);
    }

    .settings-label {
        display: block;
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-sm);
    }

    .theme-options,
    .quality-options {
        display: flex;
        gap: 8px;
    }

    .theme-btn {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: 2px solid transparent;
        background: var(--bg-tertiary);
        cursor: pointer;
        padding: 4px;
        transition: all var(--transition-fast);
    }

    .theme-btn:hover,
    .theme-btn.active {
        border-color: var(--accent-primary);
        transform: scale(1.1);
    }

    .theme-color {
        display: block;
        width: 100%;
        height: 100%;
        border-radius: 50%;
    }

    .quality-btn {
        padding: 6px 14px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        font-size: 0.8rem;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .quality-btn:hover {
        border-color: rgba(255, 255, 255, 0.8);
        color: white;
    }

    .quality-btn.active {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.8);
        color: white;
    }

    /* ============ Music Visualizer ============ */
    .visualizer {
        display: none;
    }



    /* ============ Main Content ============ */
    .main-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    /* ============ Platform Badges ============ */
    .platform-badges {
        display: flex;
        justify-content: center;
        gap: var(--spacing-lg);
        flex-wrap: wrap;
    }

    .badge {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-lg);
        background: var(--bg-glass);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-full);
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: all var(--transition-normal);
        cursor: default;
    }

    .badge-icon {
        width: 20px;
        height: 20px;
    }

    .badge.soundcloud {
        --badge-color: var(--neon-orange);
    }

    .badge.spotify {
        --badge-color: #1DB954;
    }

    .badge.active {
        color: var(--badge-color);
        border-color: var(--badge-color);
        background: rgba(255, 255, 255, 0.05);
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    }

    .badge.active .badge-icon {
        color: var(--badge-color);
    }

    /* ============ Download Card ============ */
    .download-card {
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-xl);
        padding: var(--spacing-xl);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-lg);
        transition: all var(--transition-normal);
    }

    .download-card:hover {
        border-color: var(--accent-primary);
    }

    .input-wrapper {
        position: relative;
        display: flex;
        align-items: center;
    }

    .input-icon {
        position: absolute;
        left: var(--spacing-lg);
        font-size: 1.2rem;
        opacity: 0.5;
        pointer-events: none;
    }

    .url-input {
        width: 100%;
        padding: var(--spacing-lg);
        padding-left: 3.5rem;
        padding-right: 3rem;
        background: var(--bg-secondary);
        border: 2px solid var(--border-color);
        border-radius: var(--radius-lg);
        font-family: inherit;
        font-size: 1rem;
        color: var(--text-primary);
        outline: none;
        transition: all var(--transition-normal);
    }

    .url-input::placeholder {
        color: var(--text-muted);
    }

    .url-input:focus {
        border-color: var(--accent-primary);
    }

    .clear-btn {
        position: absolute;
        right: var(--spacing-md);
        width: 28px;
        height: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-tertiary);
        border: none;
        border-radius: var(--radius-sm);
        color: var(--text-muted);
        font-size: 0.9rem;
        cursor: pointer;
        opacity: 0;
        transition: all var(--transition-fast);
    }

    .url-input:not(:placeholder-shown)+.clear-btn {
        opacity: 1;
    }

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

    .download-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 16px 32px;
        width: 100%;

        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-lg);

        color: var(--text-primary);
        font-family: var(--font-family);
        font-size: 1.1rem;
        font-weight: 500;
        cursor: pointer;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    /* removed shimmer effect */

    .download-btn:hover {
        /* Black Border on Hover */
        border-color: #000000;
        background: rgba(0, 0, 0, 0.6);
        color: var(--text-primary);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

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

    .download-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none;
    }

    /* Loading animation removed */

    /* ============ Status Container ============ */
    .status-container {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .status-message {
        padding: 12px 20px;
        margin-bottom: 8px;

        /* Unified Glass Container */
        background: rgba(0, 0, 0, 0.8) !important;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-md);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);

        font-size: 0.9rem;
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 10px;
        animation: slideIn 0.3s ease;

        color: var(--text-primary);
    }

    /* Status Type Overrides - Only affect border and text color */
    .status-message.success {
        border-color: var(--neon-green);
        color: var(--neon-green);
    }

    .status-message.error {
        border-color: #ef4444;
        color: #ef4444;
    }

    .status-message.info {
        border-color: var(--neon-blue);
        color: var(--neon-blue);
    }

    .status-message.warning {
        border-color: #eab308;
        color: #eab308;
    }

    @keyframes slideIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }


    /* ============ Track Info ============ */
    .track-info {
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        animation: fadeIn 0.4s ease;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
        }

        to {
            opacity: 1;
        }
    }

    .track-header {
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
    }

    .track-cover {
        width: 80px;
        height: 80px;
        border-radius: var(--radius-md);
        object-fit: cover;
        background: var(--bg-tertiary);
    }

    .track-details {
        flex: 1;
    }

    .track-title {
        font-size: 1.2rem;
        font-weight: 600;
        margin-bottom: var(--spacing-xs);
        color: var(--text-primary);
    }

    .track-artist {
        font-size: 0.95rem;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-xs);
    }

    /* ============ Audio Player Controls ============ */
    .audio-player-controls {
        margin-top: var(--spacing-md);
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .audio-play-btn {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 6px 12px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        color: white;
        font-family: inherit;
        font-size: 0.8rem;
        font-weight: 500;
        cursor: pointer;
        transition: all var(--transition-normal);
        box-shadow: var(--shadow-sm);
    }

    .audio-play-btn:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.8);
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
    }

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

    .audio-play-btn.playing {
        background: rgba(255, 255, 255, 0.2);
    }

    .audio-play-btn svg {
        flex-shrink: 0;
    }

    .audio-btn-text {
        flex-shrink: 0;
    }

    /* Audio Timeline */
    .audio-timeline {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        flex: 1;
        min-width: 200px;
    }

    .audio-time {
        font-size: 0.75rem;
        color: var(--text-secondary);
        min-width: 35px;
        text-align: center;
    }

    .audio-progress {
        flex: 1;
        height: 4px;
        border-radius: 2px;
        background: var(--bg-tertiary);
        outline: none;
        cursor: pointer;
        -webkit-appearance: none;
        appearance: none;
    }

    .audio-progress::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: white;
        cursor: pointer;
        transition: all 0.2s;
    }

    .audio-progress::-moz-range-thumb {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: white;
        cursor: pointer;
        border: none;
        transition: all 0.2s;
    }

    .audio-progress::-webkit-slider-thumb:hover {
        transform: scale(1.2);
    }

    .audio-progress::-moz-range-thumb:hover {
        transform: scale(1.2);
    }

    /* Volume Control */
    .audio-volume-control {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .audio-volume-control svg {
        color: var(--text-secondary);
        flex-shrink: 0;
    }

    .audio-volume {
        width: 80px;
        height: 4px;
        border-radius: 2px;
        background: var(--bg-tertiary);
        outline: none;
        cursor: pointer;
        -webkit-appearance: none;
        appearance: none;
    }

    .audio-volume::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--neon-cyan);
        cursor: pointer;
        transition: all 0.2s;
    }

    .audio-volume::-moz-range-thumb {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--neon-cyan);
        cursor: pointer;
        border: none;
        transition: all 0.2s;
    }

    .audio-volume::-webkit-slider-thumb:hover {
        transform: scale(1.2);
    }

    .audio-volume::-moz-range-thumb:hover {
        transform: scale(1.2);
    }

    /* ============ Preview Section ============ */
    .track-type {
        display: inline-block;
        padding: var(--spacing-xs) var(--spacing-sm);
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-sm);
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-secondary);
        user-select: none;
        cursor: default;
    }

    /* ============ Preview Section ============ */
    .preview-section {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-lg);
        border-top: 1px solid var(--border-color);
    }

    .preview-header,
    .preview-audio-container {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        flex-wrap: wrap;
    }

    .preview-label {
        font-size: 0.9rem;
        color: var(--text-muted);
        min-width: 120px;
        filter: grayscale(100%) brightness(1.5);
        user-select: none;
        cursor: default;
    }

    .preview-link {
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 0.9rem;
        word-break: break-all;
        transition: color var(--transition-fast);
    }

    .preview-link:hover {
        color: white;
        text-decoration: underline;
    }

    .preview-audio {
        height: 32px;
        border-radius: var(--radius-sm);
        flex: 1;
        min-width: 200px;
    }

    .preview-audio::-webkit-media-controls-panel {
        background: var(--bg-tertiary);
    }

    .preview-status {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-top: var(--spacing-sm);
    }

    .preview-status.loading {
        color: var(--text-secondary);
    }

    .preview-status.error {
        color: #ef4444;
    }

    /* ============ Playlist Container ============ */
    .playlist-container {
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        overflow: hidden;
        animation: fadeIn 0.4s ease;
    }

    .playlist-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .playlist-info {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .playlist-title {
        font-size: 1.1rem;
        font-weight: 600;
    }

    .playlist-count {
        font-size: 0.9rem;
        color: var(--text-secondary);
    }

    .playlist-actions {
        display: flex;
        gap: var(--spacing-sm);
    }

    .select-all-btn,
    .download-all-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-sm);
        font-family: inherit;
        font-size: 0.9rem;
        font-weight: 500;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .select-all-btn {
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        color: var(--text-secondary);
    }

    .select-all-btn:hover {
        background: var(--bg-glass-hover);
        color: var(--text-primary);
    }

    .download-all-btn {
        background: var(--gradient-primary);
        border: none;
        color: white;
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .download-all-btn:hover {
        box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4);
        transform: translateY(-1px);
    }

    .playlist-tracks {
        max-height: 400px;
        overflow-y: auto;
    }

    .playlist-tracks::-webkit-scrollbar {
        width: 6px;
    }

    .playlist-tracks::-webkit-scrollbar-track {
        background: var(--bg-secondary);
    }

    .playlist-tracks::-webkit-scrollbar-thumb {
        background: var(--bg-tertiary);
        border-radius: 3px;
    }

    .playlist-tracks::-webkit-scrollbar-thumb:hover {
        background: var(--text-muted);
    }

    .playlist-track {
        display: flex;
        flex-direction: column;
        border-bottom: 1px solid var(--border-color);
        transition: all var(--transition-fast);
    }

    .playlist-track:last-child {
        border-bottom: none;
    }

    .playlist-track:hover {
        background: var(--bg-glass-hover);
    }

    .track-main-row {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md) var(--spacing-lg);
        cursor: pointer;
    }

    .track-preview {
        padding: var(--spacing-md) var(--spacing-lg);
        padding-left: calc(var(--spacing-lg) + 50px);
        background: rgba(0, 0, 0, 0.2);
        border-top: 1px solid var(--border-color);
    }

    .track-preview-content {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .preview-row {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .preview-icon {
        font-size: 1rem;
        width: 24px;
    }

    .track-preview-audio {
        height: 28px;
        flex: 1;
        max-width: 300px;
        border-radius: var(--radius-sm);
    }

    .preview-loading,
    .preview-error {
        font-size: 0.85rem;
        color: var(--text-muted);
        padding: var(--spacing-sm) 0;
    }

    .preview-error {
        color: #ef4444;
    }

    .preview-status.warning {
        color: #f59e0b;
    }

    .track-checkbox {
        width: 20px;
        height: 20px;
        accent-color: var(--neon-purple);
        cursor: pointer;
    }

    .track-number {
        width: 30px;
        color: var(--text-muted);
        font-size: 0.9rem;
        text-align: center;
    }

    .track-name {
        flex: 1;
        font-size: 0.95rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        user-select: none;
        cursor: default;
    }

    .track-title,
    .track-artist {
        user-select: none;
        cursor: default;
    }

    .track-download-btn {
        padding: var(--spacing-sm);
        background: transparent;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        cursor: pointer;
        transition: all var(--transition-fast);
        font-size: 0.9rem;
    }

    .track-download-btn:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.8);
        color: white;
    }

    .track-download-btn.downloaded {
        background: rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.5);
        color: white;
    }

    .track-download-btn.downloading {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.5);
        color: white;
        animation: pulse 1s ease-in-out infinite;
    }

    @keyframes pulse {

        0%,
        100% {
            opacity: 1;
        }

        50% {
            opacity: 0.6;
        }
    }

    /* ============ Progress Container ============ */
    .progress-container {
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        animation: fadeIn 0.4s ease;
    }

    .progress-info {
        display: flex;
        justify-content: space-between;
        margin-bottom: var(--spacing-sm);
    }

    .progress-title {
        font-weight: 500;
    }

    .progress-percent {
        color: white;
        font-weight: 600;
    }

    .progress-bar {
        height: 8px;
        background: var(--bg-tertiary);
        border-radius: var(--radius-full);
        overflow: hidden;
        margin-bottom: var(--spacing-sm);
    }

    .progress-fill {
        height: 100%;
        background: linear-gradient(to right, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.9));
        border-radius: var(--radius-full);
        width: 0%;
        transition: width 0.3s ease;
        position: relative;
    }

    /* shimmer effect removed */

    @keyframes shimmer {
        0% {
            transform: translateX(-100%);
        }

        100% {
            transform: translateX(100%);
        }
    }

    .progress-status {
        display: none;
    }

    /* ============ Log Console ============ */
    .log-container {
        background: rgba(0, 0, 0, 0.2);
        border: 1px solid rgba(255, 255, 255, 0.05);
        border-radius: var(--radius-md);
        padding: var(--spacing-md);
        max-height: 150px;
        overflow-y: auto;
        font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
        font-size: 0.8rem;
        color: var(--text-muted);
        display: flex;
        flex-direction: column;
        gap: 4px;
        scrollbar-width: thin;
        scrollbar-color: var(--bg-tertiary) transparent;
    }

    .log-container::-webkit-scrollbar {
        width: 4px;
    }

    .log-container::-webkit-scrollbar-track {
        background: transparent;
    }

    .log-container::-webkit-scrollbar-thumb {
        background: var(--bg-tertiary);
        border-radius: 2px;
    }

    .log-entry {
        display: flex;
        gap: 10px;
        animation: fadeIn 0.3s ease;
    }

    .log-time {
        color: var(--text-muted);
        opacity: 0.6;
        flex-shrink: 0;
    }

    .log-msg {
        color: var(--text-secondary);
        word-break: break-all;
    }

    .log-msg.highlight {
        color: white;
    }

    /* ============ History Section ============ */
    .history-section {
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
    }

    .history-title {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: var(--spacing-md);
        color: var(--text-secondary);
    }

    .history-list {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }

    .history-item {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
        background: var(--bg-secondary);
        border-radius: var(--radius-sm);
        font-size: 0.9rem;
    }

    .history-icon {
        font-size: 1.2rem;
    }

    .history-name {
        flex: 1;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .history-time {
        color: var(--text-muted);
        font-size: 0.8rem;
    }

    .clear-history-btn {
        width: 100%;
        padding: var(--spacing-sm);
        background: transparent;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-muted);
        font-family: inherit;
        font-size: 0.85rem;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .clear-history-btn:hover {
        background: rgba(239, 68, 68, 0.1);
        border-color: #ef4444;
        color: #ef4444;
    }

    /* ============ Footer ============ */
    .footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        text-align: center;
        padding: var(--spacing-md) 0;
        color: var(--text-muted);
        font-size: 0.85rem;
        user-select: none;
        cursor: default;
        background: linear-gradient(transparent, var(--bg-primary));
        z-index: 10;
    }

    .disclaimer {
        margin-top: var(--spacing-xs);
        font-size: 0.75rem;
    }

    /* ============ Responsive ============ */
    @media (max-width: 768px) {
        .container {
            padding: var(--spacing-md);
        }

        .logo-text {
            font-size: 2.2rem;
        }

        .logo-icon {
            font-size: 2.2rem;
        }

        .download-card {
            padding: var(--spacing-lg);
        }

        .url-input {
            padding: var(--spacing-md);
            padding-left: 3rem;
            padding-right: 2.5rem;
            font-size: 0.95rem;
        }

        .download-btn {
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 1rem;
        }

        .playlist-header {
            flex-direction: column;
            align-items: stretch;
        }

        .playlist-actions {
            justify-content: stretch;
        }

        .select-all-btn,
        .download-all-btn {
            flex: 1;
            justify-content: center;
        }

        .track-header {
            flex-direction: column;
            text-align: center;
        }

        .track-cover {
            margin: 0 auto;
        }
    }

    @media (max-width: 480px) {
        .platform-badges {
            flex-direction: column;
            align-items: center;
        }

        .badge {
            width: 100%;
            justify-content: center;
        }

        .logo {
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .logo-text {
            font-size: 1.8rem;
        }

        .tagline {
            font-size: 0.95rem;
        }

        .container {
            padding-bottom: 120px;
            /* Extra space for footer and social links */
        }

        .social-links {
            bottom: 80px;
            /* Move up to avoid overlap with status messages */
        }

        .download-card {
            margin-bottom: var(--spacing-lg);
            /* Extra spacing */
        }
    }

    /* ============ Utility Classes ============ */
    .hidden {
        display: none !important;
    }

    .fade-in {
        animation: fadeIn 0.4s ease;
    }

    .slide-up {
        animation: slideIn 0.3s ease;
    }

    /* ============ Features Grid ============ */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
        margin-top: var(--spacing-xl);
    }

    .feature-card {
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        text-align: center;
        transition: all var(--transition-normal);
        user-select: none;
        -webkit-user-select: none;
        cursor: default;
    }

    .feature-card:hover {
        /* Black Border on Hover */
        border-color: #000000;
        background: rgba(255, 255, 255, 0.03);
        transform: translateY(-5px);
    }

    .feature-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }

    .feature-title {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: var(--spacing-xs);
        color: var(--text-primary);
    }

    .feature-text {
        font-size: 0.9rem;
        color: var(--text-secondary);
    }

    @media (max-width: 768px) {
        .features-grid {
            grid-template-columns: 1fr;
        }
    }

    /* ============ Status Messages ============ */
    /* Container for status messages - Moved to Top Right */
    #status-container {
        position: fixed;
        top: 80px;
        right: 20px;
        width: 300px;
        z-index: 2000;
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-end;
        pointer-events: none;
    }

    .status-message {
        pointer-events: auto;
        margin-left: auto;
        padding: 12px 16px;
        background: rgba(0, 0, 0, 0.8);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--radius-md);
        backdrop-filter: blur(10px);
        color: var(--text-primary);
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .status-message.info {
        border-color: var(--neon-blue);
        color: var(--neon-blue);
    }

    .status-message.success {
        border-color: var(--neon-green);
        color: var(--neon-green);
    }

    .status-message.error {
        border-color: #ef4444;
        color: #ef4444;
    }

    .status-message.warning {
        border-color: #eab308;
        color: #eab308;
    }

    /* ============ Global Transparent Border on Hover ============ */
    /* Download button, social links, pills - dark glass bg */
    .download-btn:hover,
    .social-link:hover,
    .status-pill:hover,
    .server-status:hover {
        border-color: transparent !important;
        background: rgba(0, 0, 0, 0.6);
    }

    /* Feature cards - keep original glass bg */
    .feature-card:hover {
        border-color: transparent !important;
        background: var(--bg-glass) !important;
        transform: translateY(-5px);
    }

    /* Input field */
    .url-input:hover,
    .url-input:focus {
        border-color: transparent !important;
    }

    /* Download card - transparent border on hover */
    .download-card:hover {
        border-color: transparent !important;
    }

    /* Lang switcher - transparent border on hover */
    .lang-switcher:hover {
        border-color: transparent !important;
    }
}

/* ============ Neutral Color Overrides ============ */
/* Play button - dark gray */
.audio-play-btn {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

/* Track type badge - dark gray */
.track-type {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

/* Slider thumbs - white/gray */
.audio-progress::-webkit-slider-thumb {
    background: rgba(255, 255, 255, 0.8) !important;
}

.audio-progress::-moz-range-thumb {
    background: rgba(255, 255, 255, 0.8) !important;
}

.audio-volume::-webkit-slider-thumb {
    background: rgba(255, 255, 255, 0.8) !important;
}

.audio-volume::-moz-range-thumb {
    background: rgba(255, 255, 255, 0.8) !important;
}

/* Notification borders - neutral white instead of colored */
.status-message.success,
.status-message.info,
.status-message.error,
.status-message.warning {
    border-color: rgba(255, 255, 255, 0.2) !important;
    color: var(--text-primary) !important;
}

/* YouTube/Preview link - neutral color */
.preview-link {
    color: var(--text-secondary) !important;
}

.preview-link:hover {
    color: var(--text-primary) !important;
}