:root {
    --primary: #036d86;
    --primary-dark: #02536a;
    --primary-light: #0489b0;
    --bg-dark: #0a0a0f;
    --bg-card: #13131a;
    --bg-card-hover: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --border-color: #2a2a3a;
    --success: #10b981;
    --error: #ef4444;
    --gradient: linear-gradient(135deg, #036d86 0%, #02536a 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --bg-dark: #f5f7fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f2f5;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    --border-color: #e0e2e5;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
}

/* Reset */
.downloader-wrapper {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    padding: 40px 20px;
    margin: 0 -20px;
    transition: var(--transition);
}

.downloader-wrapper *,
.downloader-wrapper *::before,
.downloader-wrapper *::after {
    box-sizing: border-box;
}

/* Header */
.downloader-wrapper .header {
    text-align: center;
    margin-bottom: 30px;
}

.downloader-wrapper .top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.downloader-wrapper .logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.downloader-wrapper .logo-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.downloader-wrapper .logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.downloader-wrapper .header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.downloader-wrapper .theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-primary);
}

.downloader-wrapper .theme-toggle:hover {
    background: var(--bg-card-hover);
    transform: scale(1.05);
}

.downloader-wrapper .theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.downloader-wrapper .theme-toggle .moon { display: block; }
.downloader-wrapper .theme-toggle .sun { display: none; }
[data-theme="light"] .downloader-wrapper .theme-toggle .moon { display: none; }
[data-theme="light"] .downloader-wrapper .theme-toggle .sun { display: block; }

/* Hero */
.downloader-wrapper .hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.downloader-wrapper .hero-title span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.downloader-wrapper .hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

/* Platform Tabs */
.downloader-wrapper .platform-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .platform-tab {
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.downloader-wrapper .platform-tab:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.downloader-wrapper .platform-tab.active {
    background: var(--gradient);
    color: white;
    border-color: transparent;
}

.downloader-wrapper .platform-tab svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Download Card */
.downloader-wrapper .downloader-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .input-group {
    margin-bottom: 24px;
}

.downloader-wrapper .input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.downloader-wrapper .input-wrapper {
    display: flex;
    gap: 12px;
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 8px;
    border: var(--border-color 2px solid);
    transition: var(--transition);
}

.downloader-wrapper .input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(3, 109, 134, 0.15);
}

.downloader-wrapper .url-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    outline: none;
}

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

.downloader-wrapper .paste-btn {
    padding: 14px 24px;
    background: var(--bg-card-hover);
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
}

.downloader-wrapper .paste-btn:hover {
    background: var(--primary);
    color: white;
}

.downloader-wrapper .paste-btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.downloader-wrapper .download-btn {
    width: 100%;
    padding: 18px 32px;
    background: var(--gradient);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: inherit;
    box-shadow: 0 4px 15px rgba(3, 109, 134, 0.3);
}

.downloader-wrapper .download-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(3, 109, 134, 0.4);
}

.downloader-wrapper .download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.downloader-wrapper .download-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.downloader-wrapper .download-btn svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.downloader-wrapper .download-btn .spinner {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: none;
}

.downloader-wrapper .download-btn.loading .spinner {
    display: block;
}

.downloader-wrapper .download-btn.loading svg:not(.spinner) {
    display: none;
}

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

/* Trust Indicators */
.downloader-wrapper .trust-indicators {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.downloader-wrapper .trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.downloader-wrapper .trust-item svg {
    width: 18px;
    height: 18px;
    fill: var(--success);
}

/* Error Message */
.downloader-wrapper .error-message {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius);
    color: var(--error);
    margin-top: 20px;
    font-size: 0.95rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .error-message.visible {
    display: flex;
}

.downloader-wrapper .error-message svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    flex-shrink: 0;
}

/* Loading */
.downloader-wrapper .loading-indicator {
    display: none;
    text-align: center;
    padding: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.downloader-wrapper .loading-indicator.visible {
    display: block;
}

.downloader-wrapper .loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

/* Result Container */
.downloader-wrapper .result-container {
    display: none;
    margin-top: 30px;
    animation: fadeIn 0.3s ease;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .result-container.visible {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.downloader-wrapper .result-header {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-dark);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.downloader-wrapper .result-thumbnail {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    background: var(--border-color);
}

.downloader-wrapper .result-info {
    flex: 1;
    min-width: 0;
}

.downloader-wrapper .result-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.downloader-wrapper .result-meta {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Quality List */
.downloader-wrapper .quality-list {
    display: grid;
    gap: 12px;
}

.downloader-wrapper .quality-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-dark);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.downloader-wrapper .quality-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateX(4px);
}

.downloader-wrapper .quality-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.downloader-wrapper .quality-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.downloader-wrapper .quality-icon svg {
    width: 22px;
    height: 22px;
    fill: white;
}

.downloader-wrapper .quality-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.downloader-wrapper .quality-label {
    font-weight: 600;
    font-size: 1rem;
}

.downloader-wrapper .quality-format {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.downloader-wrapper .download-icon {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition);
}

.downloader-wrapper .quality-item:hover .download-icon {
    opacity: 1;
    transform: scale(1);
}

.downloader-wrapper .download-icon svg {
    width: 20px;
    height: 20px;
    fill: white;
}

/* How To Section */
.downloader-wrapper .how-to-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .how-to-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.downloader-wrapper .how-to-steps {
    list-style: none;
    max-width: 600px;
    margin: 0 auto 30px;
    padding: 0;
}

.downloader-wrapper .how-to-steps li {
    padding: 16px 20px;
    background: var(--bg-dark);
    border-radius: var(--radius);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.downloader-wrapper .how-to-steps li::before {
    content: attr(data-step);
    width: 28px;
    height: 28px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: white;
    flex-shrink: 0;
}

.downloader-wrapper .how-to-steps li strong {
    color: var(--primary-light);
}

/* Features Table */
.downloader-wrapper .features-table-wrapper {
    overflow-x: auto;
    margin-top: 24px;
}

.downloader-wrapper .features-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-dark);
    border-radius: var(--radius);
    overflow: hidden;
}

.downloader-wrapper .features-table th,
.downloader-wrapper .features-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.downloader-wrapper .features-table th {
    background: var(--gradient);
    color: white;
    font-weight: 600;
}

.downloader-wrapper .features-table tr:last-child td {
    border-bottom: none;
}

.downloader-wrapper .features-table tr:hover td {
    background: var(--bg-card-hover);
}

/* Features Grid */
.downloader-wrapper .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.downloader-wrapper .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.downloader-wrapper .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.downloader-wrapper .feature-icon svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.downloader-wrapper .feature-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 8px;
}

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

/* Supported Platforms */
.downloader-wrapper .supported-platforms {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-bottom: 40px;
    text-align: center;
    border: 1px solid var(--border-color);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.downloader-wrapper .supported-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.downloader-wrapper .platform-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.downloader-wrapper .platform-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-dark);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.downloader-wrapper .platform-icon:hover {
    transform: translateY(-4px);
    background: var(--primary);
}

.downloader-wrapper .platform-icon:hover svg {
    fill: white;
}

.downloader-wrapper .platform-icon svg {
    width: 26px;
    height: 26px;
    fill: var(--text-secondary);
    transition: var(--transition);
}

/* Footer */
.downloader-wrapper .legal-footer {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    max-width: 1000px;
    margin: 0 auto;
}

.downloader-wrapper .legal-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.downloader-wrapper .legal-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.downloader-wrapper .legal-link:hover {
    color: var(--primary);
}

.downloader-wrapper .copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .downloader-wrapper .hero-title {
        font-size: 2rem;
    }

    .downloader-wrapper .downloader-card,
    .downloader-wrapper .how-to-section,
    .downloader-wrapper .supported-platforms {
        padding: 24px;
    }

    .downloader-wrapper .trust-indicators {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .downloader-wrapper .result-header {
        flex-direction: column;
    }

    .downloader-wrapper .result-thumbnail {
        width: 100%;
        height: 180px;
    }

    .downloader-wrapper .platform-tabs {
        gap: 6px;
    }

    .downloader-wrapper .platform-tab {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .downloader-wrapper .platform-tab span {
        display: none;
    }

    .downloader-wrapper .input-wrapper {
        flex-direction: column;
    }

    .downloader-wrapper .paste-btn {
        justify-content: center;
    }
}