/* MINIT REPORT - Shadcn/Tailwind Inspired Design System */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --font-sans: 'Pretendard Variable', 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --primary: #171717;
    --primary-hover: #404040;
    --accent: #2563EB;
    --accent-hover: #1D4ED8;
    --accent-light: #EFF6FF;
    --bg: #FFFFFF;
    --bg-subtle: #FAFAFA;
    --bg-muted: #F5F5F5;
    --border: #E5E5E5;
    --border-hover: #D4D4D4;
    --text: #171717;
    --text-secondary: #737373;
    --text-muted: #A3A3A3;
    --success: #22C55E;
    --success-light: #F0FDF4;
    --danger: #EF4444;
    --danger-light: #FEF2F2;
    --warning: #F59E0B;
    --warning-light: #FFFBEB;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;

    /* Legacy variable mappings for inline styles in HTML */
    --primary-color: #171717;
    --primary-dark: #404040;
    --secondary-color: #737373;
    --success-color: #22C55E;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --bg-color: #FAFAFA;
    --card-bg: #FFFFFF;
    --text-primary: #171717;
    --text-secondary: #737373;
    --border-color: #E5E5E5;
    --shadow-hover: var(--shadow-sm);
}

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

button, input, select, textarea, a, label {
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 32px;
}

/* Header */
.header {
    background: var(--bg);
    color: var(--text);
    padding: 20px 28px;
    border-radius: var(--radius);
    margin-bottom: 28px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header-content h1 {
    font-size: 28px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text);
}

.subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-info {
    background: var(--bg-subtle);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    border: 1px solid var(--border);
    font-size: 13px;
}

.user-info i {
    margin-right: 5px;
}

.btn-logout {
    background: var(--bg);
    color: var(--danger);
    border: 1px solid var(--border);
}

.btn-logout:hover {
    background: var(--danger-light);
}

/* Header buttons */
.header .btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.header .btn-secondary:hover {
    background: var(--bg-muted);
}

/* General secondary button */
.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-muted);
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* Sections */
section {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: box-shadow 0.15s ease;
}

section:hover {
    box-shadow: var(--shadow-sm);
}

section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* Form Styles */
.search-form-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-form {
    width: 100%;
}

.search-input-group {
    display: flex;
    gap: 10px;
}

.search-input-group input {
    flex: 1;
}

.manual-input-details {
    margin-top: 20px;
    padding: 20px;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
}

.manual-input-details summary {
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.manual-input-details[open] summary {
    margin-bottom: 20px;
    color: var(--text);
}

.add-form {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 20px;
    align-items: end;
}

/* Search Results */
.search-results {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 500px;
    overflow-y: auto;
    padding: 15px;
    background: var(--bg-subtle);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.search-result-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.15s ease;
}

.search-result-card:hover {
    border-color: var(--border-hover);
}

.search-result-thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

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

.search-result-info h3 {
    font-size: 15px;
    margin-bottom: 5px;
    color: var(--text);
    font-weight: 600;
}

.search-result-subscribers {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.search-result-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.search-result-id {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'SF Mono', 'Menlo', 'Courier New', monospace;
}

.search-result-card .btn {
    flex-shrink: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.form-group input {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.15s ease;
    background: var(--bg);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.help-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s ease;
    white-space: nowrap;
    font-family: inherit;
    text-decoration: none;
}

/* Prevent child element tap event bubbling issues on mobile */
.btn > *, .quick-action-btn > *, button > i, button > span, button > small {
    pointer-events: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #16A34A;
}

.btn-danger {
    background: var(--bg);
    color: var(--danger);
    border: 1px solid #FCA5A5;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-light);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 12px;
}

/* Email list delete button */
.email-item .btn-danger {
    padding: 7px 12px;
}

.btn-process {
    background: var(--text-secondary);
    color: white;
}

.btn-process:hover {
    background: var(--primary-hover);
}

/* Channel List */
.channels-list {
    display: grid;
    gap: 16px;
}

.channel-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.15s ease;
    background: var(--bg);
    position: relative;
}

.channel-card:hover {
    border-color: var(--border-hover);
}

.channel-info {
    display: flex;
    gap: 20px;
    align-items: center;
    flex: 1;
}

.channel-icon {
    font-size: 2.5rem;
    color: var(--danger);
}

.channel-details h3 {
    font-size: 15px;
    margin-bottom: 6px;
    color: var(--text);
    font-weight: 600;
}

.channel-id {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'SF Mono', 'Menlo', 'Courier New', monospace;
    margin-bottom: 4px;
}

.added-date {
    font-size: 13px;
    color: var(--text-secondary);
}

.channel-actions {
    display: flex;
    gap: 8px;
}

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.history-card {
    border-left: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    background: var(--bg-subtle);
}

.history-card.success {
    border-left-color: var(--success);
}

.history-card.error {
    border-left-color: var(--danger);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.history-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.history-date {
    font-size: 13px;
    color: var(--text-secondary);
}

.history-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.video-link a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.video-link a:hover {
    text-decoration: underline;
}

.summary-box {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 15px;
    max-height: 300px;
    overflow-y: auto;
}

.summary-box pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    line-height: 1.8;
}

.history-meta {
    display: flex;
    gap: 10px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
    background: var(--bg-muted);
    color: var(--text-secondary);
}

.badge-success {
    background: var(--success-light);
    color: #16A34A;
}

.badge-warning {
    background: var(--warning-light);
    color: #D97706;
}

.history-error {
    color: var(--danger);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.2;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 10px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    background: var(--bg);
    padding: 32px 48px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.loading-spinner i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.loading-spinner p {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

/* Settings Page */
.settings-section {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 28px;
}

.settings-card {
    background: var(--bg-subtle);
    padding: 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.setting-item:last-of-type {
    border-bottom: none;
}

.setting-info h3 {
    font-size: 15px;
    margin-bottom: 5px;
    color: var(--text);
    font-weight: 600;
}

.setting-info p {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle-switch input {
    opacity: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    cursor: pointer;
    z-index: 2;
    margin: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: 0.3s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

input:checked + .slider {
    background-color: var(--primary);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Time Input */
.time-input {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    color: var(--text);
    transition: all 0.15s ease;
    background: var(--bg);
}

.time-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Email Management */
.add-email-form {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.email-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg);
}

.email-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.email-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 20px;
}

.email-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease;
}

.email-item:hover {
    border-color: var(--border-hover);
}

.email-item i {
    color: var(--accent);
}

.email-item span {
    flex: 1;
    font-weight: 500;
}

/* Status Grid */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.status-item {
    text-align: center;
    padding: 18px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.status-item i {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.status-item h3 {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
}

.status-item p {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.status-active i {
    color: var(--success);
}

.status-inactive i {
    color: var(--text-muted);
}

/* Help Card */
.help-card {
    background: var(--bg-subtle);
}

.help-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

.help-item:last-child {
    border-bottom: none;
}

.help-item h3 {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.help-item h3 i {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
}

.help-item p {
    margin: 0;
    padding-left: 34px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* Category Styles */
.category-select {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    width: 100%;
    transition: all 0.15s ease;
    background: var(--bg);
}

.category-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.channel-category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 10px;
    border-radius: 9999px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    font-size: 12px;
    font-weight: 500;
}

/* Category Modal */
.category-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.category-modal-content {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.category-modal-content h3 {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin: 20px 0;
}

.category-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 13px;
    font-weight: 500;
}

.category-btn:hover {
    border-color: var(--border-hover);
    background: var(--bg-subtle);
}

.category-icon {
    font-size: 2rem;
}

.category-name {
    color: var(--text);
}

/* Video Search Page */
.video-search-form {
    margin-bottom: 28px;
}

.search-input-group-large {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.search-input-group-large input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg);
}

.search-input-group-large input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.category-selector {
    background: var(--bg-subtle);
    padding: 20px;
    border-radius: var(--radius);
    margin-top: 20px;
    border: 1px solid var(--border);
}

.category-selector h3 {
    font-size: 15px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 10px;
}

.category-select-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border: 1px solid var(--border);
    border-radius: 9999px;
    background: var(--bg);
    cursor: pointer;
    transition: all 0.15s ease;
    font-weight: 500;
    font-size: 13px;
}

.category-select-btn:hover {
    border-color: var(--border-hover);
    background: var(--bg-subtle);
}

.category-select-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.category-select-btn span {
    font-size: 1.2rem;
}

/* Video Results */
.video-results {
    display: grid;
    gap: 16px;
}

.video-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    cursor: pointer;
    transition: border-color 0.15s ease;
    position: relative;
}

.video-card:hover {
    border-color: var(--border-hover);
}

.video-card.selected {
    border-color: var(--success);
    background: var(--success-light);
}

.video-checkbox {
    width: 24px;
    height: 24px;
    cursor: pointer;
    flex-shrink: 0;
}

.video-thumbnail {
    width: 240px;
    height: 135px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.video-info {
    flex: 1;
    min-width: 0;
}

.video-info h3 {
    font-size: 15px;
    margin-bottom: 10px;
    color: var(--text);
    line-height: 1.4;
    font-weight: 600;
}

.video-channel {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.video-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.video-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.video-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* Selected Videos Section */
.selected-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.selected-actions {
    display: flex;
    gap: 10px;
}

.selected-videos-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.selected-video-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--bg);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
    align-items: center;
}

.selected-video-item img {
    width: 80px;
    height: 45px;
    object-fit: cover;
    border-radius: var(--radius-xs);
    flex-shrink: 0;
}

.selected-video-info {
    flex: 1;
    min-width: 0;
}

.selected-video-info h4 {
    font-size: 13px;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.3;
    font-weight: 600;
}

.selected-video-info p {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0;
}

/* Quick Actions Grid */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

/* Quick Action Button */
.quick-action-btn {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.quick-action-btn:hover {
    border-color: var(--border-hover);
    background: var(--bg-subtle);
}

.quick-action-btn i {
    font-size: 22px;
    color: var(--accent);
    margin-bottom: 8px;
}

.quick-action-btn span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.quick-action-btn small {
    font-size: 11px;
    color: var(--text-muted);
}

/* Scheduler Status Card */
.scheduler-status-card {
    background: var(--primary);
    border-radius: var(--radius);
    padding: 24px;
    color: white;
}

/* ============================================================================
   Discover Page - Channel Collections
   ============================================================================ */

.discover-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 8px;
}

.collection-card {
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: border-color 0.15s ease;
}

.collection-card:hover {
    border-color: var(--border-hover);
}

.collection-header {
    padding: 24px;
    color: white;
}

.collection-icon {
    font-size: 36px;
    margin-bottom: 8px;
}

.collection-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.collection-desc {
    font-size: 13px;
    opacity: 0.9;
}

.collection-channels {
    padding: 12px 16px;
}

.channel-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s;
}

.channel-item:hover {
    background: var(--bg-subtle);
}

.channel-item.added {
    opacity: 0.55;
    cursor: default;
}

.channel-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

.channel-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.channel-handle {
    font-size: 12px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.channel-status {
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
    margin-left: 8px;
}

.channel-status.status-added {
    color: var(--success);
}

.channel-status.status-error {
    color: var(--danger);
}

.collection-footer {
    padding: 12px 16px 16px;
    display: flex;
    gap: 8px;
    border-top: 1px solid var(--border);
}

.collection-footer .btn {
    flex: 1;
    text-align: center;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s ease;
}

.btn-subscribe {
    background: var(--primary);
    color: white;
}

.btn-subscribe:hover {
    background: var(--primary-hover);
}

.btn-subscribe-selected {
    background: var(--bg-muted);
    color: var(--text-secondary);
}

.btn-subscribe-selected:hover {
    background: var(--border);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: white;
    z-index: 10000;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90vw;
    text-align: center;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast-success {
    background: var(--success);
}

.toast-error {
    background: var(--danger);
}

.toast-info {
    background: var(--primary);
}

.toast-warning {
    background: var(--warning);
}

/* Category Selection Section */
.category-selection-section {
    background: var(--bg);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 28px;
}

.category-buttons-large {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.category-select-btn-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}

.category-select-btn-large:hover {
    background: var(--bg-subtle);
    border-color: var(--border-hover);
}

.category-select-btn-large.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.category-select-btn-large .category-icon {
    font-size: 2rem;
    display: block;
}

.category-select-btn-large .category-name {
    font-size: 14px;
    font-weight: 600;
}

/* Results Header */
.results-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.results-header h2 {
    color: var(--text);
    margin-bottom: 0.5rem;
}

.results-info {
    color: var(--text-secondary);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Video Rank */
.video-rank {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary);
    color: white;
    font-weight: bold;
    font-size: 14px;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    z-index: 10;
}

/* Per-video Category Selector */
.video-category-selector {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.video-category-selector label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.video-category-select {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    background: var(--bg);
    cursor: pointer;
    transition: all 0.15s ease;
}

.video-category-select:hover {
    border-color: var(--border-hover);
}

.video-category-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Selected Video Category */
.selected-video-category {
    margin-top: 0.5rem;
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Channel Stats */
.channel-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.channel-stats .stat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-muted);
    padding: 4px 10px;
    border-radius: var(--radius-xs);
}

.channel-stats .stat i {
    font-size: 11px;
    color: var(--accent);
}

/* Email Format Select */
.format-select {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 180px;
}

.format-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.format-select:hover {
    border-color: var(--border-hover);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.status-active {
    background: var(--success-light);
    color: #16A34A;
}

.status-paused {
    background: var(--warning-light);
    color: #D97706;
}

.status-error {
    background: var(--danger-light);
    color: #DC2626;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 1024px) {
    .add-form {
        grid-template-columns: 1fr;
    }

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

    .search-input-group button {
        width: 100%;
    }

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

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

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

    .header-content h1 {
        font-size: 22px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .channel-card {
        flex-direction: column;
        gap: 20px;
    }

    .channel-info {
        flex-direction: column;
        text-align: center;
    }

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

    .history-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .search-result-card {
        flex-direction: column;
        text-align: center;
    }

    .search-result-info {
        text-align: center;
    }

    .search-result-subscribers {
        justify-content: center;
    }

    .search-result-card .btn {
        width: 100%;
    }

    .setting-item {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .add-email-form {
        flex-direction: column;
    }

    .status-grid {
        grid-template-columns: 1fr;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .video-card {
        flex-direction: column;
    }

    .video-thumbnail {
        width: 100%;
        height: auto;
    }

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

    .search-input-group-large button {
        width: 100%;
    }

    .selected-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .selected-actions {
        width: 100%;
        flex-direction: column;
    }

    .selected-actions button {
        width: 100%;
    }

    .selected-videos-list {
        grid-template-columns: 1fr;
    }

    /* Mobile optimizations */
    .header-actions { flex-wrap: wrap; gap: 8px; }
    .header-actions .btn { font-size: 12px; padding: 8px 12px; }
    .quick-actions-grid { grid-template-columns: 1fr !important; }
    .scheduler-status-card { padding: 16px !important; }
    .collection-footer { flex-direction: column; }
    .collection-footer .btn { width: 100%; }
    .add-email-form input, .add-email-form button { width: 100%; }

    .discover-grid {
        grid-template-columns: 1fr;
    }

    .category-buttons-large {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.75rem;
    }

    .category-select-btn-large {
        padding: 1rem 0.5rem;
    }

    .category-select-btn-large .category-icon {
        font-size: 1.5rem;
    }

    .category-select-btn-large .category-name {
        font-size: 13px;
    }

    .video-category-selector {
        flex-direction: column;
        align-items: flex-start;
    }

    .video-category-select {
        width: 100%;
    }
}

/* Small screens (480px and below) */
@media (max-width: 480px) {
    .container { padding: 12px; }
    .header { padding: 16px; gap: 12px; }
    .header-content h1 { font-size: 20px; }
    .subtitle { display: none; }
    .user-info { display: none; }
    .header-actions { position: relative; z-index: 10; }
    .header-actions .btn { min-height: 44px; padding: 10px 16px; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
    .btn-sm { min-height: 44px; min-width: 44px; }
    .header-actions .btn i { display: none; }
    .channel-card { padding: 12px; }
    .collection-header { padding: 16px; }
    .collection-icon { font-size: 28px; }
    .collection-title { font-size: 16px; }

    /* Settings page interactive elements */
    .setting-item { gap: 12px; position: relative; }
    .setting-info { pointer-events: none; }
    .toggle-switch { position: relative; z-index: 5; pointer-events: auto; min-width: 60px; min-height: 44px; }
    .time-input { position: relative; z-index: 5; pointer-events: auto; width: 100%; min-height: 44px; font-size: 16px; }
    input[type="email"], input[type="text"], input[type="time"], select { font-size: 16px; min-height: 44px; pointer-events: auto; }
    section { padding: 16px; }
    .add-email-form input, .add-email-form button, .setting-item button, .setting-item .btn { pointer-events: auto; }
}