/* TrendHub 本地控制台 —— GPT 风格、零依赖、离线可用、不接任何大模型 */
:root {
  --sidebar-bg: #171717;
  --sidebar-text: #ececec;
  --sidebar-muted: #9b9b9b;
  --sidebar-hover: #262626;
  --sidebar-active: #2f2f2f;
  --accent: #10a37f;
  --accent-dark: #0e8c6d;
  --bg: #f7f7f8;
  --card: #ffffff;
  --border: #e6e6e8;
  --text: #1a1a1a;
  --muted: #6e6e73;
  --ok-bg: #e7f6f1;
  --ok-fg: #0b7a5c;
  --warn-bg: #fdf3e2;
  --warn-fg: #b45309;
  --err-bg: #fdecec;
  --err-fg: #c0392b;
  --info-bg: #eef3fb;
  --info-fg: #2b59a8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 4px 14px rgba(0, 0, 0, 0.04);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ============ 侧栏 ============ */
.sidebar {
  width: 248px;
  flex: 0 0 248px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 14px 10px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 14px; }
.brand-logo {
  width: 30px; height: 30px; border-radius: 8px; flex: 0 0 30px;
  background: linear-gradient(135deg, #19c37d, #10a37f);
  display: grid; place-items: center; color: #fff;
}
.brand-name { font-weight: 650; font-size: 15px; letter-spacing: .2px; }
.brand-sub { font-size: 11px; color: var(--sidebar-muted); }
.nav { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; flex: 1; }
.nav-group { font-size: 11px; color: var(--sidebar-muted); text-transform: uppercase; letter-spacing: .6px; padding: 12px 12px 5px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 11px; border-radius: 8px; color: var(--sidebar-text);
  cursor: pointer; font-size: 13.5px; border-left: 2px solid transparent; user-select: none;
}
.nav-item svg { width: 17px; height: 17px; flex: 0 0 17px; opacity: .85; }
.nav-item:hover { background: var(--sidebar-hover); text-decoration: none; }
.nav-item.active { background: var(--sidebar-active); border-left-color: var(--accent); font-weight: 600; }
.sidebar-foot { padding: 10px; font-size: 11px; color: var(--sidebar-muted); border-top: 1px solid #2a2a2a; }
.sidebar-foot .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #19c37d; margin-right: 6px; }

/* ============ 主区 ============ */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 17px; margin: 0; font-weight: 650; }
.topbar .crumb { color: var(--muted); font-size: 12.5px; }
.content { padding: 24px 28px 60px; max-width: 1180px; width: 100%; margin: 0 auto; }

.lead { color: var(--muted); margin: 4px 0 18px; font-size: 13.5px; }

/* ============ 控件 ============ */
.controls { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; align-items: center; }
.input, select {
  font-family: var(--font); font-size: 13.5px; color: var(--text);
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; background: #fff;
  min-width: 0;
}
.input { flex: 1 1 260px; }
.input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(16,163,127,.12); }
.btn {
  font-family: var(--font); font-size: 13.5px; font-weight: 600; cursor: pointer;
  padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border); background: #fff; color: var(--text);
  display: inline-flex; align-items: center; gap: 7px;
}
.btn:hover { background: #f2f2f3; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn svg { width: 15px; height: 15px; }
label.field { font-size: 12.5px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
label.field select, label.field input { padding: 8px 10px; }

/* ============ 卡片 / 网格 ============ */
.grid { display: grid; gap: 14px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 10px; font-size: 14.5px; font-weight: 650; }
.card .sub { color: var(--muted); font-size: 12.5px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .num { font-size: 26px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 12.5px; }

.platform-tiles { display: flex; flex-wrap: wrap; gap: 8px; }
.tile {
  border: 1px solid var(--border); background: #fff; border-radius: 8px;
  padding: 8px 11px; cursor: pointer; font-size: 12.5px; display: flex; align-items: center; gap: 7px;
}
.tile:hover { border-color: var(--accent); }
.tile .cat { color: var(--muted); font-size: 11px; }

/* ============ 表格 ============ */
.table-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid #f0f0f1; vertical-align: top; }
th { background: #fafafa; color: var(--muted); font-weight: 600; font-size: 12px; position: sticky; top: 0; }
tr:last-child td { border-bottom: none; }
td.rank { width: 46px; color: var(--muted); font-variant-numeric: tabular-nums; }
td.hot { text-align: right; white-space: nowrap; color: var(--muted); font-variant-numeric: tabular-nums; width: 90px; }
.title-cell { font-weight: 500; }
.title-cell .meta { display: block; color: var(--muted); font-size: 11.5px; font-weight: 400; margin-top: 2px; }

/* ============ 徽标 / 提示 ============ */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.degraded { background: var(--warn-bg); color: var(--warn-fg); }
.badge.missing { background: var(--err-bg); color: var(--err-fg); }
.badge.neutral { background: #f0f0f1; color: var(--muted); }
.badge.accent { background: var(--ok-bg); color: var(--ok-fg); }
.note {
  border-radius: 8px; padding: 10px 14px; margin: 0 0 14px; font-size: 12.8px;
  border: 1px solid transparent; display: flex; gap: 9px; align-items: flex-start;
}
.note svg { width: 17px; height: 17px; flex: 0 0 17px; margin-top: 1px; }
.note.info { background: var(--info-bg); color: var(--info-fg); border-color: #d7e3f6; }
.note.warn { background: var(--warn-bg); color: var(--warn-fg); border-color: #f3e0bd; }
.note.err { background: var(--err-bg); color: var(--err-fg); border-color: #f3cdcd; }
.captured { color: var(--muted); font-size: 11.5px; margin-top: 10px; }

/* ============ 共振 ============ */
.score-ring { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.ring {
  width: 96px; height: 96px; border-radius: 50%; flex: 0 0 96px;
  display: grid; place-items: center; font-weight: 700; font-size: 24px; color: var(--accent-dark);
  background: conic-gradient(var(--accent) var(--pct, 0%), #e9f4f1 0);
  position: relative;
}
.ring::after { content: ""; position: absolute; inset: 9px; background: #fff; border-radius: 50%; }
.ring span { position: relative; z-index: 1; }
.platform-hit { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; background: #fff; }
.platform-hit .head { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 6px; }

/* ============ 聚类 / 信号 / 事件 ============ */
.cluster, .article, .event, .signal-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 13px 16px; box-shadow: var(--shadow);
}
.cluster .topic { font-weight: 650; font-size: 14px; margin-bottom: 6px; }
.member { font-size: 12.5px; color: var(--muted); padding: 3px 0; border-top: 1px dashed #eee; }
.article .at-title { font-weight: 600; font-size: 13.5px; }
.article .at-meta, .event .ev-meta { color: var(--muted); font-size: 12px; margin: 3px 0; }
.article .at-summary { font-size: 12.8px; color: #444; margin-top: 5px; }
.event { display: flex; gap: 14px; align-items: flex-start; }
.event .days {
  flex: 0 0 64px; text-align: center; background: var(--info-bg); color: var(--info-fg);
  border-radius: 8px; padding: 8px 4px; font-weight: 700;
}
.event .days small { display: block; font-weight: 400; font-size: 10.5px; }
.tagrow { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { background: #f2f2f3; border-radius: 6px; padding: 3px 9px; font-size: 12px; color: #333; }
.tag.rising { background: var(--ok-bg); color: var(--ok-fg); }

/* ============ 时间轴 ============ */
.timeline { position: relative; margin-left: 8px; padding-left: 22px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 4px; bottom: 4px; width: 2px; background: var(--border); }
.tl-item { position: relative; padding: 0 0 18px; }
.tl-item::before { content: ""; position: absolute; left: -21px; top: 5px; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--accent); }

/* ============ 图表 ============ */
.chart-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; margin: 8px 0 4px; font-size: 12.5px; }
.chart-legend .li { display: flex; align-items: center; gap: 6px; }
.chart-legend .sw { width: 14px; height: 3px; border-radius: 2px; }
svg.chart { width: 100%; height: auto; display: block; }

/* ============ 创作简报 ============ */
.brief-section { margin-bottom: 16px; }
.brief-section > h3 { font-size: 13.5px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); margin: 0 0 8px; }
pre.prompt {
  background: #1e1e1e; color: #e8e8e8; border-radius: var(--radius); padding: 16px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-word;
  max-height: 420px; overflow: auto; margin: 0;
}
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 14px; font-size: 13px; }
.kv .k { color: var(--muted); }
.checklist li { margin-bottom: 4px; }
.slot { border-left: 3px solid var(--accent); background: #f6fbf9; padding: 8px 12px; margin-bottom: 7px; border-radius: 0 8px 8px 0; font-size: 12.8px; }

/* ============ 杂项 ============ */
.spinner {
  width: 22px; height: 22px; border: 3px solid #d7e8e3; border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; margin: 30px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty { color: var(--muted); text-align: center; padding: 40px 20px; font-size: 13px; }
.toolbar { display: flex; gap: 8px; align-items: center; }
.section-title { font-size: 15px; font-weight: 650; margin: 22px 0 10px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
ul.clean { margin: 0; padding-left: 18px; }
ul.clean li { margin-bottom: 5px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #202020; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: all .25s ease; z-index: 50; box-shadow: var(--shadow);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex: none; height: auto; position: static; flex-direction: column; }
  .nav { flex-direction: row; overflow-x: auto; }
  .nav-group { display: none; }
  .nav-item { white-space: nowrap; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .topbar { padding: 12px 16px; gap: 10px; }
  .topbar .crumb { display: none; }
}

/* ============ 小红书主打专区 ============ */
.nav-tag { margin-left: auto; font-size: 10px; background: var(--accent); color: #fff; padding: 1px 7px; border-radius: 999px; font-weight: 700; letter-spacing: .5px; }
.xhs-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; align-items: start; }
.xhs-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.xhs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); gap: 12px; }
.xhs-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.xhs-cover { position: relative; display: block; aspect-ratio: 3 / 4; background: #f0f0f1; overflow: hidden; }
.xhs-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.xhs-img.ph { display: grid; place-items: center; background: linear-gradient(135deg, #e7f6f1, #eef3fb); color: #9bb3ad; font-weight: 700; font-size: 20px; }
.xhs-kind { position: absolute; left: 8px; top: 8px; background: rgba(0, 0, 0, .6); color: #fff; font-size: 10.5px; padding: 1px 7px; border-radius: 999px; }
.xhs-like { position: absolute; right: 8px; bottom: 8px; background: rgba(0, 0, 0, .55); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 999px; }
.xhs-body { padding: 9px 10px 11px; }
.xhs-title { font-size: 12.8px; line-height: 1.45; font-weight: 500; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.xhs-title a { color: var(--text); }
.xhs-title a:hover { color: var(--accent-dark); }
.xhs-author { color: var(--muted); font-size: 11.5px; margin-top: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.xhs-side { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 80px; }
.xhs-side-card h3 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.xhs-word { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 0; border-top: 1px dashed #eee; font-size: 12.8px; }
.xhs-w-text { min-width: 0; display: flex; align-items: center; gap: 6px; }
.xhs-w-freq { color: var(--muted); font-size: 11px; white-space: nowrap; }
.xhs-rank { width: 18px; color: var(--accent-dark); font-weight: 700; text-align: center; flex: 0 0 18px; }
@media (max-width: 1000px) {
  .xhs-layout { grid-template-columns: 1fr; }
  .xhs-side { position: static; }
}