/* Kimi 控制台风格：浅灰底、白卡片、深色顶栏、紫/靛蓝强调色 */
:root {
  --bg-page: #f4f4f5;
  --bg-elevated: #ffffff;
  --bg-nav: #161618;
  --bg-nav-scrolled: rgba(22, 22, 24, 0.96);
  --border: #e5e7eb;
  --border-soft: #ececed;
  --text: #111827;
  --text-muted: #6b7280;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-soft: rgba(99, 102, 241, 0.12);
  --danger: #ef4444;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --font: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg-page);
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
}

.container {
  width: min(1180px, 100% - 32px);
  margin: 0 auto;
}

/* 顶栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 60px;
  background: var(--bg-nav);
  color: #f3f4f6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: box-shadow 0.2s, background 0.2s;
}
.site-header.scrolled {
  background: var(--bg-nav-scrolled);
  box-shadow: var(--shadow-hover);
}
.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 16px;
}
.logo {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: #fff;
  white-space: nowrap;
}
.logo span {
  color: #a5b4fc;
  font-weight: 600;
}
.nav-main {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}
.nav-main a {
  color: #d1d5db;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.nav-main a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.nav-main a.active {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-color: var(--accent);
}

.search-wrap {
  position: relative;
  min-width: 200px;
  max-width: 300px;
  flex: 0 1 280px;
}
.search-wrap input {
  width: 100%;
  height: 38px;
  padding: 0 36px 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 13px;
}
.search-wrap input::placeholder {
  color: #9ca3af;
}
.search-wrap button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  cursor: pointer;
  color: #9ca3af;
  padding: 6px;
}
.suggest-box {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover);
  max-height: 320px;
  overflow-y: auto;
  display: none;
  z-index: 200;
}
.suggest-box.open {
  display: block;
}
.suggest-box a {
  display: block;
  padding: 10px 12px;
  color: var(--text);
  border-bottom: 1px solid var(--border-soft);
  font-size: 13px;
}
.suggest-box a:hover {
  background: var(--accent-soft);
}
.suggest-box .tag {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
}

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-main {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-nav);
    flex-direction: column;
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .nav-main.open {
    display: flex;
  }
  .search-wrap {
    max-width: none;
    flex: 1;
  }
  .logo {
    font-size: 14px;
  }
}

/* 面包屑 */
.breadcrumb {
  padding: 16px 0 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--accent);
}
.breadcrumb span {
  margin: 0 6px;
  color: #9ca3af;
}

/* 卡片 */
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card:hover {
  box-shadow: var(--shadow-hover);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

/* 页脚 */
.site-footer {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  background: #fafafa;
  min-height: 80px;
}
.site-footer .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer .copy {
  font-size: 12px;
  color: var(--text-muted);
}
.site-footer .desc {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  flex: 1;
  min-width: 200px;
}
.site-footer .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .site-footer .row {
    flex-direction: column;
    text-align: center;
  }
}

/* 加载层 */
#global-loader {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
#global-loader.show {
  display: flex;
}
.loader-spin {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}
.tag-gray {
  background: #f3f4f6;
  color: #4b5563;
}
.tag-red {
  background: #fee2e2;
  color: #b91c1c;
}
.tag-blue {
  background: #dbeafe;
  color: #1d4ed8;
}
.tag-orange {
  background: #ffedd5;
  color: #c2410c;
}

mark.hl {
  background: #fef08a;
  padding: 0 2px;
}

.pill {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 13px;
  margin-right: 6px;
  background: #fff;
  color: var(--text);
}
.pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.mono {
  font-family: var(--mono);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table thead th {
  position: sticky;
  top: 0;
  background: linear-gradient(#fafafa, #f7f7f8);
  text-align: left;
  font-size: 12px;
  color: var(--text-muted);
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: top;
}

.data-table tbody tr:nth-child(even):not(.row-unread) td {
  background: #fcfcfd;
}

.data-table tbody td {
  max-width: 520px;
  text-overflow: ellipsis;
  overflow: hidden;
}

.data-table tbody td.ai-summary {
  max-width: 860px;
}

.ai-summary-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  line-height: 1.55;
}

.data-table tbody tr:hover td {
  background: var(--accent-soft);
}

.data-table td a {
  color: var(--accent);
}

.data-table td a:hover {
  color: var(--accent-hover);
}

.section-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tabs {
  display: flex;
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  background: #fafafa;
}

.tab-btn {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
}

.tab-btn.active {
  border-color: rgba(99, 102, 241, 0.45);
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-weight: 700;
}

.tab-pane {
  padding: 20px;
}

.gh-hero {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 18px;
  align-items: start;
  border-left: 4px solid var(--accent);
}

.gh-title {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.gh-author {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
}

.gh-author img {
  border-radius: 50%;
  flex: 0 0 auto;
}

.gh-meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.gh-repo {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.gh-repo a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  word-break: break-all;
}

.gh-stats {
  padding: 16px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.gh-stats .kpi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.kpi .item {
  padding: 10px;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
}

.kpi .label {
  font-size: 12px;
  color: var(--text-muted);
}

.kpi .value {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 800;
  margin-top: 4px;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.chart-card {
  padding: 16px;
}

.chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.chart-head strong {
  font-size: 14px;
}

.rich {
  color: var(--text);
}

.rich p {
  margin: 0 0 12px;
}

.rich img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
}

.rich pre {
  overflow: auto;
  padding: 12px;
  border-radius: 12px;
  background: #0b1220;
  color: #e5e7eb;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--mono);
  font-size: 12px;
}

.source-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.source-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-right: 6px;
}

.source-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  user-select: none;
}

.source-chip input {
  accent-color: var(--accent);
}

.row-unread td {
  background: #f8fafc;
}

.pagination {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
}

.page-link:hover {
  border-color: rgba(99, 102, 241, 0.45);
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.page-link.active {
  border-color: rgba(99, 102, 241, 0.65);
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.page-link.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.page-ellipsis {
  color: var(--text-muted);
  padding: 0 2px;
}

.page-info {
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 4px;
}

.wordcloud {
  margin-top: 12px;
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 14px;
  min-height: 180px;
  background: radial-gradient(120% 120% at 10% 10%, rgba(99, 102, 241, 0.10), rgba(255, 255, 255, 0) 55%),
    radial-gradient(120% 120% at 90% 20%, rgba(139, 92, 246, 0.10), rgba(255, 255, 255, 0) 55%),
    #fff;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  justify-content: center;
}

.wordcloud:fullscreen,
.wordcloud:-webkit-full-screen {
  margin: 0;
  border: 0;
  border-radius: 0;
  min-height: 100vh;
  padding: 28px;
  gap: 18px 26px;
  background: radial-gradient(120% 120% at 10% 10%, rgba(99, 102, 241, 0.10), rgba(255, 255, 255, 0) 55%),
    radial-gradient(120% 120% at 90% 20%, rgba(139, 92, 246, 0.10), rgba(255, 255, 255, 0) 55%),
    #fff;
}

.wc-word {
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  user-select: none;
  white-space: nowrap;
}

.forum-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
}

.forum-sidebar {
  position: sticky;
  top: 76px;
  align-self: start;
  display: grid;
  gap: 16px;
}

.forum-card {
  padding: 16px;
}

.side-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.side-head span {
  font-size: 12px;
  color: var(--text-muted);
}

.composer {
  padding: 16px;
  border: 1px solid rgba(99, 102, 241, 0.18);
}

.composer-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.composer-title {
  display: grid;
  gap: 2px;
  flex: 1;
}

.composer-title strong {
  font-size: 14px;
}

.composer-title span {
  color: var(--text-muted);
  font-size: 12px;
}

.composer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 12px;
}

.composer-main {
  min-width: 0;
}

.composer-side {
  display: grid;
  gap: 10px;
  align-content: start;
}

.forum-input,
.forum-select,
.forum-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}

.forum-textarea {
  margin-top: 10px;
  resize: vertical;
}

.forum-input:focus,
.forum-select:focus,
.forum-textarea:focus {
  outline: none;
  border-color: rgba(99, 102, 241, 0.6);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}

.composer-tools {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.tool-btn {
  padding: 6px 10px;
  font-size: 12px;
}

.upload-btn {
  cursor: pointer;
}

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

.filter-form {
  display: grid;
  gap: 10px;
}

.tag-wall {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feed {
  display: grid;
  gap: 12px;
}

.feed-card {
  padding: 14px 16px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.feed-card:hover {
  transform: translateY(-1px);
}

.feed-head {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  flex: 0 0 auto;
}

.feed-meta {
  flex: 1;
  min-width: 0;
}

.feed-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.feed-author {
  font-size: 13px;
  color: var(--text);
}

.feed-time {
  font-family: var(--mono);
}

.feed-title {
  margin-top: 6px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.feed-title a {
  color: var(--text);
}

.feed-title a:hover {
  color: var(--accent-hover);
}

.feed-body {
  margin-top: 10px;
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

.feed-media {
  margin-top: 10px;
}

.feed-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.feed-media-grid img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-soft);
}

.feed-tags {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feed-actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  border-top: 1px solid var(--border-soft);
  padding-top: 12px;
}

.feed-act {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 999px;
}

.feed-act.on {
  background: var(--accent-soft);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--accent-hover);
}

.ai-domestic {
  border-left-color: #dc2626;
}

.ai-foreign {
  border-left-color: #2563eb;
}

@media (max-width: 900px) {
  .gh-hero {
    grid-template-columns: 1fr;
  }
  .chart-grid {
    grid-template-columns: 1fr;
  }
  .forum-layout {
    grid-template-columns: 1fr;
  }
  .forum-sidebar {
    position: static;
  }
  .composer-grid {
    grid-template-columns: 1fr;
  }
}

/* 打印 */
@media print {
  .site-header,
  .site-footer,
  .no-print {
    display: none !important;
  }
  body {
    background: #fff;
  }
}