:root {
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-card: #1a2234;
    --bg-card-hover: #1f2a40;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #60a5fa;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-color: #2d3a4f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-collect {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), #2563eb);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-collect:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

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

.btn-icon {
    width: 18px;
    height: 18px;
}

.main {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    width: 100%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon--time {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
}

.stat-icon--data {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.stat-icon--files {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
}

.stat-icon--quality {
    background: rgba(96, 165, 250, 0.15);
    color: var(--accent-secondary);
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.quality-report,
.brands-section,
.files-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.section-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
}

.badge-development {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #1a1a1a;
    border-radius: var(--radius-sm);
    font-weight: 500;
    margin-left: 0.5rem;
}

.schedule-content.disabled {
    opacity: 0.6;
    pointer-events: none;
}

.schedule-content.disabled * {
    cursor: not-allowed;
}

.switch.disabled {
    opacity: 0.5;
}

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

.day-selector.disabled {
    opacity: 0.5;
}

.day-selector.disabled .day-btn {
    cursor: not-allowed;
}

.schedule-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.files-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.retention-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.quality-content {
    display: flex;
    gap: 1.5rem;
}

.quality-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    flex: 1;
}

.quality-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.quality-item--corrected .quality-badge {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-warning);
}

.quality-item--abnormal .quality-badge {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-danger);
}

.quality-count {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

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

.brands-chart {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.brand-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-name {
    width: 60px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.brand-progress {
    flex: 1;
    height: 28px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.brand-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-sm);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.75rem;
    min-width: 60px;
}

.brand-count {
    font-size: 0.8rem;
    font-weight: 600;
    color: white;
    font-family: 'JetBrains Mono', monospace;
}

.btn-refresh {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-refresh:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.btn-refresh svg {
    width: 16px;
    height: 16px;
}

.files-table-container {
    overflow-x: auto;
}

.files-table {
    width: 100%;
    border-collapse: collapse;
}

.files-table th,
.files-table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.files-table th {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

.files-table td {
    font-size: 0.9rem;
}

.files-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.empty-row {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-download:hover {
    background: #2563eb;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-settings {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn-settings:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.btn-settings svg {
    width: 20px;
    height: 20px;
}

.schedule-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.schedule-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.schedule-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.schedule-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-width: 100px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 26px;
    transition: var(--transition);
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition);
}

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

.switch input:checked + .slider:before {
    transform: translateX(22px);
    background-color: white;
}

.time-range {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.time-range input {
    padding: 0.5rem 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
}

.time-range span {
    color: var(--text-secondary);
}

.frequency-options {
    display: flex;
    gap: 1rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
}

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

.day-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.day-selector.monthly {
    gap: 0.4rem;
}

.day-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.day-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

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

.schedule-info {
    display: flex;
    gap: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

.schedule-next {
    color: var(--text-secondary);
}

.schedule-info strong {
    color: var(--text-primary);
    margin-left: 0.25rem;
}

.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    border-color: var(--accent-success);
}

.toast.error {
    border-color: var(--accent-danger);
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    max-width: 320px;
}

.modal-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

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

.modal-text {
    color: var(--text-secondary);
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-collect {
        width: 100%;
        justify-content: center;
    }
    
    .quality-content {
        flex-direction: column;
    }
    
    .files-table th:nth-child(2),
    .files-table td:nth-child(2) {
        display: none;
    }
}