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

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent-green: #3fb950;
  --accent-blue: #58a6ff;
  --accent-orange: #d29922;
  --accent-red: #f85149;
  --border-color: #30363d;
}

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

header {
  background: var(--bg-secondary);
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 0.3rem;
}

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

.tab-nav {
  display: flex;
  background: var(--bg-secondary);
  padding: 0 2rem;
  border-bottom: 1px solid var(--border-color);
  gap: 0.5rem;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-size: 0.95rem;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
}

.tab-content {
  display: none;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

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

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  font-size: 2.5rem;
}

.stat-info h3 {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: normal;
  margin-bottom: 0.3rem;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--accent-green);
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Charts */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.chart-container h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

/* Model Breakdown */
.model-breakdown {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.model-breakdown h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.model-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.model-card {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.model-card.unused {
  opacity: 0.5;
}

.model-card.unused .model-bar {
  background: #30363d;
}

.model-name {
  width: 180px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.model-bar {
  height: 20px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
  border-radius: 4px;
  max-width: 300px;
}

.model-value {
  font-weight: bold;
  color: var(--accent-green);
}

/* Folder Tree */
.folder-tree {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.folder-tree h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.tree {
  font-size: 0.95rem;
}

.folder-item {
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.folder-item .folder-icon {
  margin-right: 0.5rem;
}

.folder-item .folder-size {
  color: var(--text-secondary);
  margin-left: 0.5rem;
  font-size: 0.85rem;
}

.folder-item .file-count {
  color: var(--accent-blue);
  margin-left: 0.5rem;
  font-size: 0.85rem;
}

.sub-folders {
  display: none;
  margin-left: 1.5rem;
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
}

.folder-item.expanded .sub-folders {
  display: block;
}

/* File Table */
.file-list {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.file-list h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

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

th, td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

th {
  color: var(--text-secondary);
  font-weight: normal;
  font-size: 0.85rem;
}

td {
  font-size: 0.9rem;
}

tr:hover {
  background: var(--bg-secondary);
}

/* Token Breakdown */
.token-breakdown {
  margin-bottom: 2rem;
}

.breakdown-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.breakdown-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.breakdown-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.breakdown-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-green);
}

.cron-table {
  width: 100%;
}

.cron-table th {
  text-align: left;
  padding: 0.5rem;
}

.cron-table td {
  padding: 0.5rem;
  font-size: 0.85rem;
}

/* Daily Chart */
.daily-chart {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.daily-chart h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

/* LanceDB */
.lancedb-overview h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.db-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.db-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
}

.db-label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.db-value {
  font-weight: bold;
  color: var(--accent-blue);
}

.db-config {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.db-config h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.db-config table {
  width: auto;
}

.db-config td {
  padding: 0.5rem 1rem;
}

.db-config td:first-child {
  color: var(--text-secondary);
}

.db-categories {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.db-categories h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.category-bars {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cat-name {
  width: 80px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cat-bar {
  height: 16px;
  background: var(--accent-blue);
  border-radius: 3px;
}

.cat-count {
  color: var(--accent-green);
  font-weight: bold;
}

.recent-activity {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.recent-activity h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.recent-activity ul {
  list-style: none;
}

.recent-activity li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.recent-activity .time {
  color: var(--accent-blue);
  margin-right: 0.5rem;
}

/* Optimization */
.opt-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.opt-priority {
  font-size: 0.8rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.opt-item.high .opt-priority { color: var(--accent-red); }
.opt-item.medium .opt-priority { color: var(--accent-orange); }
.opt-item.low .opt-priority { color: var(--accent-green); }

.opt-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.opt-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.opt-savings {
  margin-top: 0.8rem;
  color: var(--accent-green);
  font-weight: bold;
}

.total-savings {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.total-savings h3 {
  font-size: 1rem;
  opacity: 0.9;
}

.savings-value {
  font-size: 2rem;
  font-weight: bold;
  margin: 0.5rem 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
}

footer a {
  color: var(--accent-blue);
}

/* 详细用量页面样式 */
.detailed-stats {
  padding: 20px;
}

.stats-section {
  margin-bottom: 30px;
  background: #161b22;
  border-radius: 8px;
  padding: 20px;
}

.stats-section h3 {
  color: #58a6ff;
  margin-bottom: 15px;
  font-size: 1.1em;
}

.table-scroll {
  overflow-x: auto;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85em;
}

.detail-table th,
.detail-table td {
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid #30363d;
}

.detail-table th {
  background: #21262d;
  color: #8b949e;
  font-weight: 600;
}

.detail-table td {
  color: #c9d1d9;
}

.detail-table tr:hover td {
  background: #21262d;
}

/* 分析卡片网格 */
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
}

.analysis-card {
  background: #21262d;
  border-radius: 8px;
  padding: 15px;
}

.analysis-card h4 {
  color: #58a6ff;
  margin-bottom: 12px;
  font-size: 0.95em;
  border-bottom: 1px solid #30363d;
  padding-bottom: 8px;
}

.model-stat {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.85em;
  color: #c9d1d9;
}

.model-stat span:first-child {
  color: #8b949e;
}

.model-stat.total {
  border-top: 1px solid #30363d;
  margin-top: 8px;
  padding-top: 8px;
  font-weight: 600;
}

/* 进度条 */
.progress-bar {
  background: #30363d;
  border-radius: 4px;
  height: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85em;
  padding: 4px 0;
}

.stat-row span:first-child {
  color: #8b949e;
}