:root {
    /* Background Colors */
    --bg-primary: #0f0f0f;
    --bg-secondary: #18181b;
    --bg-tertiary: #09090b;
    --bg-surface: #27272a;
    --bg-hover: #3f3f46;

    /* Text Colors */
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --text-muted: #52525b;

    /* Accent Colors */
    --accent-primary: #81c8f8;
    --accent-secondary: #c084fc;
    --accent-success: #10b981;
    --accent-success-dark: #059669;
    --accent-warning: #f59e0b;
    --accent-warning-dark: #d97706;
    --accent-error: #ef4444;
    --accent-error-light: #f87171;
    --accent-yellow: #facc15;

    /* Media Type Colors */
    --color-video: #a78bfa;
    --color-image: #ff476f;
    --color-audio: #52a6ff;
    --color-file: #fb923c;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-2xl: 40px;

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 5px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 10px 25px rgba(0, 0, 0, 0.7);
    --shadow-2xl: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-primary: 0 5px 15px rgba(129, 140, 248, 0.3);
    --shadow-success: 0 5px 15px rgba(16, 185, 129, 0.3);
    --shadow-warning: 0 5px 15px rgba(245, 158, 11, 0.3);
    --shadow-sidebar: -5px 0 15px rgba(0, 0, 0, 0.5);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #81c8f8 0%, #0373bd 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-primary-horizontal: linear-gradient(90deg, #818cf8 0%, #c084fc 100%);
    --gradient-video: linear-gradient(90deg, #a78bfa 0%, #c084fc 100%);
    --gradient-image: linear-gradient(90deg, #60a5fa 0%, #3b82f6 100%);

    /* Transitions */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-transform: transform 0.2s, box-shadow 0.2s;
    --transition-all: all 0.2s;

    /* Font Sizes */
    --font-xs: 11px;
    --font-sm: 12px;
    --font-base: 14px;
    --font-md: 16px;
    --font-lg: 18px;
    --font-xl: 2rem;
    --font-2xl: 2.5rem;

    /* Other */
    --border-width: 1px;
    --border-width-thick: 2px;
    --border-width-thicker: 3px;
    --opacity-disabled: 0.5;
    --opacity-loading: 0.6;
    --opacity-hover: 0.7;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

header {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-lg);
}

.logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

header h1 {
    font-size: var(--font-2xl);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.pool-status {
    margin-top: var(--spacing-md);
    font-size: var(--font-sm);
    color: var(--text-tertiary);
}

.status-label {
    color: var(--text-muted);
    margin-right: 5px;
}

.status-value {
    color: var(--accent-primary);
    font-family: monospace;
}

.input-section {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-2xl);
}

.input-group {
    display: flex;
    gap: var(--spacing-md);
}

.url-tag-container {
    flex: 1;
    padding: var(--spacing-xs) 12px;
    background: var(--bg-tertiary);
    border: var(--border-width-thick) solid var(--bg-surface);
    border-radius: var(--radius-md);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    align-items: center;
    min-height: 52px;
    cursor: text;
    transition: border-color var(--transition-normal);
}

.url-tag-container:focus-within {

    background: var(--bg-primary);
}

.url-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    align-items: center;
}

.url-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-surface);
    color: var(--text-primary);
    padding: 6px var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-base);
    border: var(--border-width) solid var(--bg-hover);
    transition: var(--transition-all);
    max-width: 400px;
    text-decoration: none;
}

.url-tag[data-site="bunkr"] {
    background: rgba(167, 139, 250, 0.15);
    border-color: #a78bfa;
}

.url-tag[data-site="bunkr"]:hover {
    background: rgba(167, 139, 250, 0.25);
    border-color: #c4b5fd;
}

.url-tag[data-site="spankingtube"] {
    background: rgba(239, 143, 36, 0.15);
    border-color: rgb(239, 143, 36);
}

.url-tag[data-site="spankingtube"]:hover {
    background: rgba(239, 143, 36, 0.25);
    border-color: rgb(239, 143, 36);
}

.url-tag:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

.url-tag-favicon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.url-tag-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: default;
    min-width: 0;
}

.meta-url-tag {
    cursor: pointer;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
    display: inline-flex;
    flex-basis: 100%;
}

.meta-url-tag .url-tag-text {
    cursor: pointer;
    flex: 1 1 auto;
}

.url-tag-text.editing {
    cursor: text;
    background: unset;
    color: #fff;
    padding: 0px;
    border-radius: unset;
    border: none;
    outline: none;
    min-width: 200px;
    width:100%;
}

.url-tag-remove {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--font-md);
    height: var(--font-md);
    border-radius: var(--radius-full);
    transition: var(--transition-all);
    flex-shrink: 0;
}

.url-tag-remove:hover {
    background: var(--accent-error);
    color: white;
}

.url-tag-input {
    flex: 1;
    min-width: 200px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-md);
    outline: none;
    padding: 6px 0;
}

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

#submitBtn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    border: 1.7px solid var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: var(--font-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-transform);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

#submitBtn:hover {
    transform: translateY(-2px);
}

#submitBtn:disabled {
    opacity: var(--opacity-loading);
    cursor: not-allowed;
    transform: none;
}

.spinner {
    display: none;
    width: var(--font-md);
    height: var(--font-md);
    border: var(--border-width-thick) solid white;
    border-top-color: transparent;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

#submitBtn.loading .btn-text {
    display: none;
}

#submitBtn.loading .spinner {
    display: inline-block;
}

.media-type-filter {
    margin-top: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.filter-label {
    color: var(--text-secondary);
    font-size: var(--font-base);
    font-weight: 500;
}

.filter-options {
    display: flex;
    gap: var(--spacing-sm);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--bg-surface);
    transition: var(--transition-all);
}

.radio-option:hover {
    border-color: var(--accent-primary);
    background: #1e1e23;
}

.radio-option input[type="radio"] {
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.radio-option span {
    color: var(--text-secondary);
    font-size: var(--font-base);
}

.radio-option:has(input:checked) {
    border-color: var(--accent-primary);
    background: rgba(129, 140, 248, 0.1);
}

.radio-option:has(input:checked) span {
    color: var(--accent-primary);
    font-weight: 500;
}

.controls {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

.controls-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.controls-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    color: var(--text-primary);
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: var(--spacing-lg);
    height: var(--spacing-lg);
    border: var(--border-width-thick) solid var(--accent-primary);
    border-radius: var(--radius-xs);
    margin-right: var(--spacing-xs);
    position: relative;
    transition: background-color var(--transition-fast);
}

.checkbox-container input[type="checkbox"]:checked ~ .checkmark {
    background-color: var(--accent-primary);
}

.checkbox-container input[type="checkbox"]:checked ~ .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: var(--spacing-sm);
    border: solid white;
    border-width: 0 var(--border-width-thick) var(--border-width-thick) 0;
    transform: rotate(45deg);
}

.selected-count {
    color: var(--text-secondary);
    font-weight: 500;
}

.total-count {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--font-base);
}

.download-btn {
    padding: 12px 24px;
    background: var(--gradient-success);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-transform);
}

.download-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-success);
}

.download-btn:disabled {
    opacity: var(--opacity-disabled);
    cursor: not-allowed;
    transform: none;
}

.retry-btn {
    padding: 12px 24px;
    background: var(--gradient-warning);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-md);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: var(--transition-transform);
}

.retry-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-warning);
}

.retry-btn.loading {
    opacity: var(--opacity-hover);
    cursor: wait;
}

.retry-btn.loading svg {
    animation: spin 1s linear infinite;
}

.video-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    user-select: none;
}

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

.section-header h3 {
    margin: 0;
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.section-icon {
    transition: transform var(--transition-normal) ease;
    color: var(--text-secondary);
}

.section-header.collapsed .section-icon {
    transform: rotate(-90deg);
}

.section-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    padding-top: var(--spacing-sm);
    transition: max-height var(--transition-normal) ease, opacity var(--transition-normal) ease;
    overflow: hidden;
}

.section-content.collapsed {
    display: none;
}

.video-card {
    background: var(--bg-secondary);
    border: var(--border-width-thicker) solid var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
    position: relative;
    display: flex;
    flex-direction: column;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--bg-hover);
}

.video-card.downloaded {
    opacity: 0.6;
    filter: grayscale(0.4);
    transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.video-card.downloaded .video-title,
.video-card.downloaded .meta-item,
.video-card.downloaded .video-card-status {
    color: var(--text-muted);
}

/* File-type-specific selected states */
.video-card.selected[data-type="Video"] {
    border-color: var(--color-video);
}

.video-card.selected[data-type="Video"]::before {
    content: '✓';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    background: var(--color-video);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-lg);
    font-weight: bold;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.video-card.selected[data-type="Image"] {
    border-color: var(--color-image);
}

.video-card.selected[data-type="Image"]::before {
    content: '✓';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    background: var(--color-image);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-lg);
    font-weight: bold;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.video-card.selected[data-type="Audio"] {
    border-color: var(--color-audio);
}

.video-card.selected[data-type="Audio"]::before {
    content: '✓';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    background: var(--color-audio);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-lg);
    font-weight: bold;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.video-card.selected[data-type="File"] {
    border-color: var(--color-file);
}

.video-card.selected[data-type="File"]::before {
    content: '✓';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    background: var(--color-file);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-lg);
    font-weight: bold;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-surface);
    flex-shrink: 0;
}

.video-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.resolution-badge {
    position: absolute;
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    background: rgba(64, 64, 64, 0.75);
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(4px);
    border: var(--border-width) solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.resolution-badge svg {
    display: block;
}


.video-info {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.video-title {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: auto;
    margin-bottom: var(--spacing-sm);
}

.user-avatar {
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    border-radius: var(--radius-full);
    object-fit: cover;
    background: var(--bg-surface);
}

.user-name {
    color: var(--text-secondary);
    font-size: var(--font-base);
}

.video-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: var(--spacing-xs);
    padding-top: var(--spacing-xs);
    border-top: var(--border-width) solid var(--bg-surface);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-sm);
    color: var(--text-tertiary);
}

.meta-icon {
    flex-shrink: 0;
    color: var(--text-muted);
}

.meta-item svg {
    vertical-align: middle;
}

.loading {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-surface);
    border-top-color: var(--accent-primary);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-lg);
    animation: spin 1s linear infinite;
}

.loading-title {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.link-progress {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    min-height: var(--spacing-lg);
}

.progress-container {
    max-width: 500px;
    margin: 0 auto;
}

.progress-section {
    margin-bottom: var(--spacing-lg);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-base);
}

.progress-label {
    color: var(--text-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.progress-icon {
    width: var(--font-md);
    height: var(--font-md);
    color: var(--text-primary);
}

.progress-bar {
    width: 100%;
    height: var(--spacing-xs);
    background: var(--bg-surface);
    border-radius: var(--radius-xs);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary-horizontal);
    border-radius: var(--radius-xs);
    width: 0%;
    transition: width var(--transition-normal) ease;
}

.video-progress {
    background: var(--gradient-video);
}

.image-progress {
    background: var(--gradient-image);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

#progressPercent {
    font-weight: 600;
    color: var(--accent-primary);
}

.current-video {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: var(--spacing-sm);
    min-height: var(--spacing-lg);
    max-width: 100%;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    padding: 0 var(--spacing-sm);
}

.error {
    background: rgba(239, 68, 68, 0.1);
    border: var(--border-width) solid rgba(239, 68, 68, 0.3);
    color: var(--accent-error-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.download-progress {
    padding: 0;
}

.progress-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--bg-surface);
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
}

.progress-item.success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--accent-success);
}

.progress-item.failed {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--accent-error-light);
}

.hidden {
    display: none !important;
}

/* Download Sidebar */
.download-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 450px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: var(--border-width) solid var(--bg-surface);
    box-shadow: var(--shadow-sidebar);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform var(--transition-normal) ease;
}

.download-sidebar.collapsed {
    transform: translateX(100%);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-surface);
    border-bottom: var(--border-width) solid var(--bg-hover);
    flex-shrink: 0;
    cursor: pointer;
}

.sidebar-header h3 {
    margin: 0;
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast), transform var(--transition-normal);
    border-radius: var(--radius-xs);
}

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

.download-sidebar.collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.sidebar-content::-webkit-scrollbar {
    width: var(--spacing-xs);
}

.sidebar-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: var(--radius-xs);
}

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

/* Download batch separator */
.download-batch-separator {
    border: none;
    border-top: 2px solid var(--bg-surface);
    margin: var(--spacing-lg) 0;
}

/* Download Cards */
.download-card {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--bg-surface);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.download-card.downloading {
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.05);
}

.download-card.success {
    border-color: rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.05);
}

.download-card.failed {
    border-color: rgba(239, 68, 68, 0.5);
    background: rgba(239, 68, 68, 0.05);
}

.download-card-thumbnail {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: var(--radius-xs);
    overflow: hidden;
    background: var(--bg-surface);
}

.download-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.download-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.download-card-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-xs);
}

.download-card-title {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-card-status {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.download-card.downloading .download-card-status {
    color: rgba(59, 130, 246, 1);
}

.download-card.success .download-card-status {
    color: rgba(16, 185, 129, 1);
}

.download-card.failed .download-card-status {
    color: rgba(239, 68, 68, 1);
}

.download-card-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: center;
    justify-content: center;
}

.download-card-action-btn {
    background: transparent;
    border: var(--border-width) solid var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
}

.download-card-action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.download-card-action-btn.restart-btn:hover {
    color: rgba(59, 130, 246, 1);
    border-color: rgba(59, 130, 246, 0.5);
}

.download-card-action-btn.remove-btn:hover {
    color: rgba(239, 68, 68, 1);
    border-color: rgba(239, 68, 68, 0.5);
}

/* Floating show sidebar button */
.show-sidebar-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 999;
    transition: all var(--transition-fast);
}

.show-sidebar-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.show-sidebar-btn:active {
    transform: scale(0.95);
}

.download-count-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: rgba(239, 68, 68, 1);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

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

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

    header h1 {
        font-size: var(--font-xl);
    }

    .input-group {
        flex-direction: column;
    }

    #submitBtn {
        width: 100%;
        justify-content: center;
    }

    .controls {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .controls-left {
        width: 100%;
    }

    .controls-actions {
        width: 100%;
        justify-content: space-between;
    }

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

    .section-content {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .download-sidebar {
        width: 100%;
        max-width: 350px;
    }

    .download-sidebar.collapsed {
        transform: translateX(calc(100% - 40px));
    }
}