/* ============================================
   KK 频道 · INFJ 选题雷达
   视觉规范：深色克制 · 留白充足 · 长效质感
   ============================================ */

:root {
  /* 配色 */
  --bg-primary: #0e1116;
  --bg-secondary: #181c22;
  --bg-tertiary: #222831;
  --bg-elevated: #2a3038;
  --border: #2d343d;
  --border-strong: #3a424c;

  --text-primary: #e8e6e1;
  --text-secondary: #a8a8a3;
  --text-muted: #6a6a66;

  --gold: #c8a878;
  --gold-soft: rgba(200, 168, 120, 0.15);
  --green: #7da88a;
  --green-soft: rgba(125, 168, 138, 0.15);
  --blue: #6e8ec4;
  --blue-soft: rgba(110, 142, 196, 0.15);
  --red: #c46e6e;
  --red-soft: rgba(196, 110, 110, 0.15);
  --purple: #9b8cc4;
  --purple-soft: rgba(155, 140, 196, 0.15);

  /* 字体 */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;

  /* 圆角/阴影 */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --shadow-1: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-2: 0 4px 12px rgba(0, 0, 0, 0.5);
}

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

html,
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ============ 顶栏 ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--gold), #a88958);
  color: var(--bg-primary);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -0.5px;
}

.brand-text h1 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 2px;
}

.topnav {
  display: flex;
  gap: 6px;
}

.view-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--r-md);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.2s;
}

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

.view-btn.active {
  background: var(--gold-soft);
  color: var(--gold);
  border-color: rgba(200, 168, 120, 0.3);
}

/* ============ 统计条 ============ */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-cell {
  background: var(--bg-secondary);
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--gold);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ============ 主布局 ============ */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  min-height: calc(100vh - 160px);
}

/* ============ 侧边栏 ============ */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  max-height: calc(100vh - 160px);
  position: sticky;
  top: 81px;
}

.filter-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

input[type="text"] {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 13px;
  transition: border-color 0.2s;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--gold);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--gold);
}

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  transition: all 0.15s;
}

.chip:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.chip.active {
  background: var(--gold-soft);
  border-color: var(--gold);
  color: var(--gold);
}

/* ============ 主内容区 ============ */
.content {
  padding: 24px 32px;
  min-width: 0;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

/* ============ 卡片视图 ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 14px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
}

.topic-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.topic-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.card-category {
  font-size: 10px;
  color: var(--gold);
  background: var(--gold-soft);
  padding: 2px 8px;
  border-radius: 10px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.card-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 11px;
}

.meta-pill {
  padding: 2px 8px;
  border-radius: 10px;
  font-family: var(--font-mono);
}

.meta-pill.fit {
  background: var(--purple-soft);
  color: var(--purple);
}

.meta-pill.energy {
  background: var(--green-soft);
  color: var(--green);
}

.meta-pill.hype {
  background: var(--red-soft);
  color: var(--red);
}

.meta-pill.safe {
  background: var(--blue-soft);
  color: var(--blue);
}

.card-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.tag-mini {
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 8px;
}

.card-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.status-text {
  font-size: 11px;
  color: var(--text-secondary);
}

/* ============ 总表视图 ============ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-secondary);
  border-radius: var(--r-md);
  overflow: hidden;
}

.data-table th {
  background: var(--bg-tertiary);
  padding: 12px 10px;
  text-align: left;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
}

.data-table tr:hover td {
  background: var(--bg-tertiary);
}

.cell-title {
  font-family: var(--font-serif);
  color: var(--text-primary);
  cursor: pointer;
}

.cell-title:hover {
  color: var(--gold);
}

/* ============ Top5 视图 ============ */
.top5-header {
  margin-bottom: 20px;
}

.top5-header h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  margin-bottom: 4px;
}

.top5-header p {
  color: var(--text-muted);
  font-size: 13px;
}

.top5-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.top5-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 20px;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s;
}

.top5-item:hover {
  border-color: var(--gold);
}

.top5-rank {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  text-align: center;
}

.top5-content h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  margin-bottom: 4px;
}

.top5-content p {
  font-size: 12px;
  color: var(--text-muted);
}

.top5-score {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--gold);
  font-weight: 600;
}

.summary-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-md);
  padding: 20px 24px;
}

.summary-block h3 {
  font-family: var(--font-serif);
  margin-bottom: 12px;
  color: var(--gold);
}

.summary-block p,
.summary-block li {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.8;
}

/* ============ 数据视图 ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.stats-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px;
}

.stats-card h3 {
  font-family: var(--font-serif);
  font-size: 14px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: 120px 1fr 40px;
  gap: 10px;
  align-items: center;
  font-size: 12px;
}

.bar-label {
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-track {
  background: var(--bg-tertiary);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  background: linear-gradient(90deg, var(--gold), #a88958);
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s;
}

.bar-value {
  font-family: var(--font-mono);
  color: var(--gold);
  text-align: right;
}

/* ============ 说明视图 ============ */
.help-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 32px 40px;
  max-width: 800px;
}

.help-content h2 {
  font-family: var(--font-serif);
  margin-bottom: 16px;
  font-size: 22px;
}

.help-content h3 {
  font-family: var(--font-serif);
  margin: 24px 0 10px;
  font-size: 15px;
  color: var(--gold);
}

.help-content p,
.help-content li {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 8px;
}

.help-content ul {
  padding-left: 20px;
}

/* ============ 弹窗 ============ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[hidden] {
  display: none;
}

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 28px 32px;
  max-width: 640px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.detail-title {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 12px;
}

.detail-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.detail-section {
  margin: 16px 0;
}

.detail-section h4 {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.detail-section p,
.detail-section li {
  color: var(--text-secondary);
  line-height: 1.8;
}

.detail-section ul {
  padding-left: 18px;
}

.evidence-link {
  display: inline-block;
  color: var(--blue);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  margin-right: 10px;
}

.evidence-link:hover {
  text-decoration: underline;
}

/* ============ 页脚 ============ */
.footer {
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ============ 响应式 ============ */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: relative;
    top: 0;
    max-height: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .topnav {
    flex-wrap: wrap;
  }
}

/* ============ 主题配置 Modal ============ */
.modal-card-wide {
  max-width: 880px;
}

.theme-modal-body h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 6px;
  color: var(--gold);
}

.theme-modal-body > p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.theme-section-title {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin: 20px 0 10px;
  text-transform: uppercase;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.theme-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  font-family: inherit;
  color: inherit;
}

.theme-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.theme-card.active {
  border-color: var(--gold);
  background: var(--gold-soft);
}

.theme-card .theme-icon {
  font-size: 24px;
  margin-bottom: 6px;
}

.theme-card .theme-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.theme-card .theme-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.theme-card .theme-count {
  display: inline-block;
  margin-top: 8px;
  font-size: 10px;
  color: var(--gold);
  font-family: var(--font-mono);
}

.theme-custom-form {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 20px;
}

.theme-custom-form label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.theme-custom-form input,
.theme-custom-form textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-family: inherit;
  font-size: 13px;
  margin-bottom: 12px;
}

.theme-custom-form input:focus,
.theme-custom-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.theme-custom-form textarea {
  resize: vertical;
  min-height: 60px;
}

.theme-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.theme-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.theme-warning {
  background: var(--gold-soft);
  border-left: 3px solid var(--gold);
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.theme-current-tag {
  display: inline-block;
  background: var(--gold-soft);
  color: var(--gold);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  margin-left: 6px;
  vertical-align: middle;
}

/* ============ AI 精选区块 ============ */
.ai-section {
  padding: 20px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.ai-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.ai-title-block h2 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--gold);
  margin-bottom: 4px;
}

.ai-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

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

.ai-meta-label {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.btn-ai {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.btn-ai:hover {
  border-color: var(--gold);
  color: var(--gold);
}

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

.btn-ai-primary {
  background: var(--gold-soft);
  border-color: var(--gold);
  color: var(--gold);
}

.btn-ai-primary:hover {
  background: var(--gold);
  color: var(--bg-primary);
}

.btn-ai-ghost {
  background: transparent;
}

.btn-ai-mini {
  padding: 4px 10px;
  font-size: 11px;
}

.ai-empty,
.ai-loading {
  padding: 32px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  line-height: 1.9;
}

.ai-loading {
  border-style: solid;
  border-color: var(--gold);
  color: var(--gold);
}

.ai-batch-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  margin-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}

.ai-batch-tip {
  font-size: 12px;
  color: var(--text-muted);
}

.ai-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 10px;
}

.ai-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-md);
  transition: all 0.2s;
}

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

.ai-card.adopted {
  opacity: 0.55;
  border-left-color: var(--green);
}

.ai-card-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.ai-card-title {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.ai-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 11px;
  align-items: center;
}

.ai-source {
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ai-card-summary {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.ai-card-reason {
  font-size: 11px;
  color: var(--purple);
  padding: 6px 10px;
  background: var(--purple-soft);
  border-radius: var(--r-sm);
  line-height: 1.5;
}

.ai-card-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  margin-top: 4px;
}

.adopted-mark {
  font-size: 11px;
  color: var(--green);
  font-family: var(--font-mono);
  padding: 4px 10px;
}

/* ============ 滚动条 ============ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}