/* SEO Dashboard — Data-Dense Dashboard system
   Palette: deep blue #1E40AF / amber #D97706 / cool gray #F4F6FA
   Type: Fira Sans (UI) + tabular numerals for data */

:root {
  --color-primary: #1E40AF;
  --color-primary-hover: #1B3A9E;
  --color-secondary: #3B82F6;
  --color-accent: #D97706;
  --color-background: #F4F6FA;
  --color-card: #FFFFFF;
  --color-foreground: #1E293B;
  --color-muted: #EDF1F7;
  --color-muted-foreground: #5B6B82;
  --color-border: #E2E8F0;
  --color-destructive: #DC2626;
  --color-success: #15803D;
  --color-ring: #1E40AF;

  --radius-card: 14px;
  --radius-control: 8px;

  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --speed-fast: 150ms;
  --speed: 200ms;

  --font-ui: "Fira Sans", -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "Fira Code", ui-monospace, "SF Mono", Consolas, monospace;
}

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

html { scrollbar-color: #C4D0E0 var(--color-background); }

body {
  font-family: var(--font-ui);
  background: var(--color-background);
  color: var(--color-foreground);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #C7D7F5; }
::placeholder { color: #8A97AB; }

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Header (one compact bar) ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 12px 24px;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: baseline; gap: 10px; margin-right: 8px; }
.brand h1 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; color: var(--color-foreground); white-space: nowrap; }
.version { font-family: var(--font-num); font-size: 11px; color: var(--color-muted-foreground); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; flex: 1; }

.filter-group { display: flex; align-items: center; gap: 6px; }
.filter-group label { font-size: 12px; color: var(--color-muted-foreground); white-space: nowrap; }

select, input[type="text"], input:not([type]) {
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-card);
  font: inherit;
  font-size: 13px;
  color: var(--color-foreground);
  transition: border-color var(--speed-fast) var(--ease-out), box-shadow var(--speed-fast) var(--ease-out);
  cursor: pointer;
}
select:hover, input:hover { border-color: #B9C6DA; }
select:focus-visible, input:focus-visible {
  outline: none;
  border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
}

.btn {
  padding: 7px 16px;
  border: none;
  border-radius: var(--radius-control);
  background: var(--color-primary);
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 160ms ease-out, background var(--speed-fast) var(--ease-out);
}
.btn:hover { background: var(--color-primary-hover); }
.btn:active { transform: scale(0.97); }

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 2px;
  padding: 8px 24px 0;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 53px;
  z-index: 19;
}

.tab-btn {
  padding: 9px 18px;
  border: none;
  background: none;
  font: inherit;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-muted-foreground);
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  position: relative;
  transition: color var(--speed-fast) var(--ease-out), background var(--speed-fast) var(--ease-out);
}
.tab-btn:hover { color: var(--color-foreground); background: var(--color-muted); }
.tab-btn:active { transform: scale(0.97); }
.tab-btn.active { color: var(--color-primary); }
.tab-btn.active::after {
  content: "";
  position: absolute;
  left: 10px; right: 10px; bottom: -1px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px 2px 0 0;
}

.tab-panel { display: none; padding: 20px 24px 40px; }
.tab-panel.active { display: block; animation: panel-in 240ms var(--ease-out); }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- KPI row ---------- */

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.kpi-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 14px 16px 12px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(8px);
  animation: kpi-in 320ms var(--ease-out) forwards;
}
.kpi-card:nth-child(1) { animation-delay: 0ms; }
.kpi-card:nth-child(2) { animation-delay: 40ms; }
.kpi-card:nth-child(3) { animation-delay: 80ms; }
.kpi-card:nth-child(4) { animation-delay: 120ms; }
.kpi-card:nth-child(5) { animation-delay: 160ms; }
.kpi-card:nth-child(6) { animation-delay: 200ms; }
.kpi-card:nth-child(7) { animation-delay: 240ms; }
.kpi-card:nth-child(8) { animation-delay: 280ms; }
@keyframes kpi-in {
  to { opacity: 1; transform: translateY(0); }
}

.kpi-card .label { font-size: 12px; color: var(--color-muted-foreground); margin-bottom: 4px; }
.kpi-card .value {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-foreground);
}

/* ---------- Charts ---------- */

.charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(440px, 100%), 1fr));
  gap: 14px;
}
.charts + .charts { margin-top: 14px; }

.chart-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 16px 16px 8px;
  box-shadow: var(--shadow-card);
}
.chart-card h3 { font-size: 13px; font-weight: 600; color: var(--color-foreground); margin-bottom: 8px; }
.chart { width: 100%; height: 300px; }

/* ---------- Tables ---------- */

.table-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.table-toolbar input { width: 260px; cursor: text; }
.muted { color: var(--color-muted-foreground); font-size: 13px; }

.panel-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 16px;
  overflow-x: auto;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-muted-foreground);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
tbody td {
  padding: 8px 12px;
  border-bottom: 1px solid #F0F3F8;
  font-variant-numeric: tabular-nums;
}
tbody tr { transition: background var(--speed-fast) var(--ease-out); }
tbody tr:hover { background: #F7F9FC; }
tbody td.num, th.num { text-align: right; font-family: var(--font-num); font-size: 12.5px; }
td a { color: var(--color-secondary); text-decoration: none; }
td a:hover { text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Badges & states ---------- */

.action-badge, .seocli-chip {
  display: inline-block;
  background: #EEF2FB;
  color: var(--color-primary);
  border: 1px solid #DBE4F7;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  white-space: nowrap;
}
.action-badge { font-family: var(--font-num); }

.seocli-chip { cursor: pointer; padding: 7px 14px; font-size: 13px; transition: border-color var(--speed-fast) var(--ease-out), transform 160ms ease-out; }
.seocli-chip:hover { border-color: var(--color-secondary); }
.seocli-chip:active { transform: scale(0.97); }
.seocli-list { display: flex; flex-wrap: wrap; gap: 8px; }
.seocli-list .muted { padding: 4px 0; }

.state-msg { padding: 24px 0; text-align: center; color: var(--color-muted-foreground); }

.spin {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid #C7D2E5;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .kpi-card { animation: none; opacity: 1; transform: none; }
  .tab-panel.active { animation: none; }
  .btn:active, .tab-btn:active, .seocli-chip:active { transform: none; }
  .spin { animation-duration: 1.6s; }
}

@media (max-width: 900px) {
  .topbar { position: static; padding: 12px; gap: 10px; }
  .tabs { position: static; padding: 8px 12px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .tab-btn { flex: 0 0 auto; padding: 8px 14px; }
  .charts { grid-template-columns: 1fr; }
  .tab-panel { padding: 14px 12px 32px; }
  .table-toolbar input { width: 100%; }
  .table-toolbar { align-items: stretch; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi-card { padding: 12px 14px 10px; }
  .kpi-card .value { font-size: 19px; }
  .chart { height: 240px; }
  .filters { gap: 8px; }
  .filter-group label { display: none; }
  .site-pills { max-height: none; }
  .drawer { width: 100vw; }
  .drawer-head { padding: 12px 14px; }
  .drawer-body { padding: 14px; font-size: 11px; }
  .brand h1 { font-size: 15px; }
  .version { display: none; }
  select, .btn { font-size: 13px; padding: 7px 10px; }
}

/* ---------- Drawer (SEO CLI report viewer) ---------- */

.btn-ghost {
  background: none;
  color: var(--color-muted-foreground);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover { background: var(--color-muted); color: var(--color-foreground); }

.drawer-mask {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.32);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--ease-out);
  z-index: 40;
}
.drawer-mask.open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(760px, 92vw);
  background: var(--color-card);
  box-shadow: -8px 0 28px rgba(15, 23, 42, 0.14);
  transform: translateX(102%);
  transition: transform 240ms var(--ease-out);
  z-index: 41;
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }

.drawer-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
}
.drawer-title { font-size: 14px; font-weight: 600; font-family: var(--font-num); }
.drawer-sub { font-size: 12px; color: var(--color-muted-foreground); margin-top: 2px; }

.drawer-body {
  flex: 1;
  overflow: auto;
  margin: 0;
  padding: 18px 20px 32px;
  font-family: var(--font-num);
  font-size: 12px;
  line-height: 1.6;
  tab-size: 2;
}
.j-key { color: #7C3AED; }
.j-str { color: #15803D; }
.j-num { color: #B45309; }
.j-kw  { color: #DC2626; }

@media (prefers-reduced-motion: reduce) {
  .drawer { transition: none; }
  .drawer-mask { transition: none; }
}

/* ---------- Site pills ---------- */
.site-pills { display: flex; flex-wrap: wrap; gap: 6px; max-height: 76px; overflow: hidden; }
.site-pills.expanded { max-height: none; }
.site-pill {
  padding: 5px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-card);
  color: var(--color-muted-foreground);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--speed-fast) var(--ease-out), background var(--speed-fast) var(--ease-out), transform 160ms ease-out;
}
.site-pill:hover { border-color: var(--color-secondary); color: var(--color-foreground); }
.site-pill:active { transform: scale(0.97); }
.site-pill.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.site-pills:not(.expanded) .site-pill.hidden { display: none; }
.site-pills.expanded .site-pill.hidden { display: inline-block; }

/* ---------- Accordion（报告抽屉内分节） ---------- */
.acc {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-control);
  margin-bottom: 8px;
  background: var(--color-card);
  overflow: hidden;
}
.acc summary {
  cursor: pointer;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-foreground);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
  transition: background var(--speed-fast) var(--ease-out);
}
.acc summary:hover { background: var(--color-muted); }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::before { content: '▸'; color: var(--color-muted-foreground); transition: transform 160ms var(--ease-out); flex: none; }
.acc[open] summary::before { transform: rotate(90deg); }
.acc-body {
  padding: 0 12px 12px;
  font-size: 13px;
  line-height: 1.65;
  overflow-x: auto;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}
.acc-body ul { margin: 4px 0; }
.acc-body pre { margin: 0; font-size: 12px; white-space: pre-wrap; word-break: break-word; }
.acc-body code { font-family: var(--font-num); font-size: 12px; background: var(--color-muted); padding: 1px 4px; border-radius: 4px; }
.md-table { border-collapse: collapse; margin: 8px 0; font-size: 12px; width: 100%; }
.md-table th, .md-table td { border: 1px solid var(--color-border); padding: 4px 8px; text-align: left; }
.md-table th { background: var(--color-muted); font-weight: 600; }

/* 嵌套手风琴：站点 → 报告类型 */
.acc .acc-body .acc { background: var(--color-background); }
.acc .acc-body .acc summary { font-weight: 500; font-size: 12.5px; }
.acc-count { font-weight: 400; margin-left: 6px; font-size: 11px; color: var(--color-muted-foreground); font-family: var(--font-num); }

/* ---------- SEO CLI 左右栏布局 ---------- */
.seocli-layout { display: grid; grid-template-columns: 240px 1fr; gap: 18px; align-items: start; }
.seocli-sites { display: flex; flex-direction: column; gap: 4px; }
.seocli-site-item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 10px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-control);
  background: var(--color-card); cursor: pointer; font-size: 13px; text-align: left; color: var(--color-foreground);
  transition: border-color var(--speed-fast) var(--ease-out), background var(--speed-fast) var(--ease-out);
}
.seocli-site-item:hover { border-color: var(--color-secondary); }
.seocli-site-item.active { border-color: var(--color-primary); background: var(--color-muted); font-weight: 600; }
.seocli-site-item .n { font-family: var(--font-num); font-size: 11px; color: var(--color-muted-foreground); }
.seocli-main { min-width: 0; }
.seocli-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.seocli-tab-btn {
  padding: 7px 14px; border: 1px solid var(--color-border); border-radius: 999px;
  background: var(--color-card); cursor: pointer; font-size: 13px; color: var(--color-foreground);
  display: inline-flex; align-items: center; gap: 6px;
  transition: border-color var(--speed-fast) var(--ease-out), background var(--speed-fast) var(--ease-out);
}
.seocli-tab-btn:hover { border-color: var(--color-secondary); }
.seocli-tab-btn.active { border-color: var(--color-primary); background: var(--color-primary); color: #fff; }
.seocli-tab-btn .n { font-family: var(--font-num); font-size: 11px; opacity: .75; }
@media (max-width: 900px) {
  .seocli-layout { grid-template-columns: 1fr; }
  .seocli-sites { flex-direction: row; flex-wrap: wrap; }
  .seocli-site-item { flex: 1 1 46%; }
}

/* ---------- 表头排序 ---------- */
table thead th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
table thead th.sortable:hover { background: rgba(59, 130, 246, 0.08); }
table thead th.sortable::after { content: '↕'; opacity: .3; margin-left: 4px; font-size: 10px; }
table thead th.sortable.sort-desc::after { content: '▼'; opacity: 1; color: var(--color-primary); }
table thead th.sortable.sort-asc::after { content: '▲'; opacity: 1; color: var(--color-primary); }

/* ---------- 分页条 ---------- */
.pager { margin-bottom: 10px; }
.pager-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 12px; }
.pager-bar select.pager-size {
  padding: 4px 6px; border: 1px solid var(--color-border); border-radius: var(--radius-control);
  font-size: 12px; background: var(--color-card); color: var(--color-foreground); cursor: pointer;
}
.pager-bar .btn-ghost { padding: 4px 10px; font-size: 12px; }
.pager-bar .btn-ghost:disabled { opacity: .4; cursor: not-allowed; }