:root {
  --bg-image-pattern: url("data:image/svg+xml,%3csvg width='200' height='200' viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M0,105 C20,90 35,90 40,110 S60,130 80,115 S100,80 120,95 S140,130 160,120 S180,100 200,110' stroke='rgba(0, 184, 148, 0.15)' fill='none' stroke-width='2' /%3e%3cpath d='M0,145 C25,160 30,130 50,135 S70,150 90,120 S110,100 130,130 S150,170 170,140 S190,120 200,130' stroke='rgba(214, 48, 49, 0.12)' fill='none' stroke-width='2' /%3e%3cpath d='M0,60 C20,80 40,30 60,50 S80,90 100,60 S120,20 140,70 S160,80 180,40 S190,60 200,50' stroke='rgba(9, 132, 227, 0.08)' fill='none' stroke-width='1.5' /%3e%3c/svg%3e");
  --bg-gradient: linear-gradient(135deg, #2c3e50 0%, #1d2939 100%);
  --bg-container: rgba(31, 31, 31, 0.7);
  --color-uptrend: #D63031;  /* 上涨红 */
  --color-downtrend: #00B894; /* 下跌绿 */
  --text-primary: #E0E0E0;
  --text-secondary: #a0a0a0;
  --color-accent: #0984E3;
  --border-color: #444;
  --blur-effect: blur(10px);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1d2939; /* Fallback color */
    background-image: var(--bg-image-pattern), var(--bg-gradient);
    background-repeat: repeat, no-repeat;
    min-height: 100vh;
    color: var(--text-primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: var(--bg-container);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: var(--blur-effect);
    border: 1px solid var(--border-color);
}

.header h1 {
    font-size: 28px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.header-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
}

.version-info {
    color: var(--text-secondary);
    font-size: 14px;
}

.header-buttons {
    display: flex;
    gap: 8px;
}

.config-btn, .logout-btn {
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 14px;
    border: 1px solid var(--border-color);
}

.logout-btn {
    background: var(--color-uptrend);
    border-color: var(--color-uptrend);
    color: white;
}

.config-btn {
    background: #333;
}

.config-btn:hover, .logout-btn:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    min-height: 600px;
}

.left-panel, .right-panel {
    background: var(--bg-container);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: var(--blur-effect);
    border: 1px solid var(--border-color);
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-weight: 600;
    margin-right: 4px;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.tab.active {
    background: var(--color-accent);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background-color: #141414;
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 3px rgba(9, 132, 227, 0.2);
}

.textarea {
    min-height: 120px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

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

.btn-success:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #333;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #444;
    border-color: #555;
}

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

.progress-bar {
    width: 100%;
    height: 12px;
    background-color: #333;
    border-radius: 6px;
    overflow: hidden;
    margin: 16px 0;
    display: none;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-accent);
    transition: width 0.3s ease;
    width: 0%;
}

.log-container {
    margin-top: 20px;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.log-header h3 {
    color: var(--text-secondary);
    font-size: 16px;
}

.log-display {
    background: #1a1a1a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    max-height: 250px;
    overflow-y: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.4;
}

.log-entry {
    margin-bottom: 4px;
    padding: 2px 0;
}

.log-info { color: #3498db; }
.log-success { color: var(--color-downtrend); font-weight: bold; }
.log-warning { color: #f39c12; font-weight: bold; }
.log-error { color: var(--color-uptrend); font-weight: bold; }
.log-header-type { color: var(--color-accent); font-weight: bold; font-size: 14px; }
.log-progress { color: #9b59b6; font-weight: bold; }

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

.results-header h2 {
    color: var(--text-primary);
    font-size: 20px;
}

.sse-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.sse-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-uptrend);
    transition: background-color 0.3s;
}

.sse-indicator.connected {
    background: var(--color-downtrend);
}

.score-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    display: none;
}

.score-card {
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    color: white;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.3s ease;
}

.score-card.excellent { background: var(--color-downtrend); } /* Green */
.score-card.good { background: var(--color-accent); } /* Blue */
.score-card.average { background: #f39c12; } /* Yellow */
.score-card.poor { background: var(--color-uptrend); } /* Red */

.score-card.updating {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.score-card h4 {
    font-size: 12px;
    margin-bottom: 8px;
    opacity: 0.9;
}

.score-card .score {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 4px;
}

.score-card .max-score {
    font-size: 10px;
    opacity: 0.8;
}

.data-quality {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    display: none;
}

.quality-indicator {
    background: #1a1a1a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.quality-indicator .value {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.quality-indicator .label {
    font-size: 10px;
    color: var(--text-secondary);
}

.results-content {
    background: transparent;
    border: none;
    border-radius: 12px;
    padding: 0;
    min-height: 400px;
    overflow-y: auto;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #333;
    border-top: 4px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
}

.empty-state h3 {
    margin-bottom: 8px;
}

.status-indicator {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-left: 8px;
}

.status-ready { background: rgba(0, 184, 148, 0.2); color: var(--color-downtrend); }
.status-analyzing { background: rgba(9, 132, 227, 0.2); color: var(--color-accent); }
.status-error { background: rgba(214, 48, 49, 0.2); color: var(--color-uptrend); }

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .score-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ai-analysis-content {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.ai-analysis-content h1,
.ai-analysis-content h2,
.ai-analysis-content h3,
.ai-analysis-content h4,
.ai-analysis-content h5,
.ai-analysis-content h6 {
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: 600;
}

.ai-analysis-content h1 { font-size: 1.5em; }
.ai-analysis-content h2 { font-size: 1.3em; }
.ai-analysis-content h3 { font-size: 1.1em; }

.ai-analysis-content p {
    margin: 8px 0;
    line-height: 1.6;
}

.ai-analysis-content ul,
.ai-analysis-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.ai-analysis-content li {
    margin: 4px 0;
    line-height: 1.5;
}

.ai-analysis-content strong {
    color: var(--color-accent);
    font-weight: 600;
}

.ai-analysis-content em {
    color: #f39c12;
    font-style: italic;
}

.ai-analysis-content code {
    background: #1a1a1a;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: #e84393;
}

.ai-analysis-content blockquote {
    border-left: 4px solid var(--color-accent);
    margin: 16px 0;
    padding: 8px 16px;
    background: rgba(9, 132, 227, 0.1);
    border-radius: 0 4px 4px 0;
}

.ai-analysis-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
}

.ai-analysis-content th,
.ai-analysis-content td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.ai-analysis-content th {
    background-color: #333;
    font-weight: 600;
    color: var(--text-secondary);
}

.ai-analysis-content a {
    color: var(--color-accent);
    text-decoration: none;
}

.ai-analysis-content a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .container {
        padding: 16px;
    }
    
    .header {
        padding: 16px;
    }
    
    .header h1 {
        font-size: 24px;
    }
    
    .header-info {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    
    .score-cards {
        grid-template-columns: 1fr;
    }
    
    .data-quality {
        grid-template-columns: 1fr;
    }
}