/* 前沿 LLM 赛博斗蛐蛐 —— 配色取自数据可视化规范的参考色板，浅色 / 深色各一套 */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink-1: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --wash: rgba(11, 11, 11, 0.04);
  --relay: #2a78d6;
  --other: #b9b8b1;
  --pk-1: #2a78d6;
  --pk-2: #eb6834;
  --pk-3: #1baf7a;
  --accent-wash: rgba(42, 120, 214, 0.10);
  --radius: 10px;
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink-1: #ffffff;
    --ink-2: #c3c2b7;
    --ink-3: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --wash: rgba(255, 255, 255, 0.05);
    --relay: #3987e5;
    --other: #55544f;
    --pk-1: #3987e5;
    --pk-2: #d95926;
    --pk-3: #199e70;
    --accent-wash: rgba(57, 135, 229, 0.16);
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink-1); font-size: 15px; line-height: 1.55; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* 页头 */
.site-header { padding: 28px 0 12px; }
.site-header h1 { margin: 0; font-size: 26px; font-weight: 700; letter-spacing: 0.02em; }
.subtitle { margin: 6px 0 0; color: var(--ink-2); font-size: 14px; }

/* 视图切换 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--grid); margin-top: 12px; }
.tabs button {
  border: 0; background: none; padding: 10px 14px; cursor: pointer; color: var(--ink-2);
  border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 600;
}
.tabs button[aria-selected="true"] { color: var(--ink-1); border-bottom-color: var(--ink-1); }

/* 筛选行：一行，作用于下面所有视图 */
.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 14px 0; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 6px 12px; cursor: pointer; color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button[aria-pressed="true"] { background: var(--wash); color: var(--ink-1); font-weight: 600; }
.search {
  flex: 1 1 200px; max-width: 320px; padding: 6px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--surface);
}
.count { color: var(--ink-3); font-size: 13px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.view[hidden] { display: none; }

/* 散点图 */
.chart-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 8px; }
.chart-head label { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 14px; }
.chart-head select { padding: 4px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.legend { display: inline-flex; gap: 14px; color: var(--ink-2); font-size: 13px; margin-left: auto; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.key-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.key-line { width: 18px; height: 0; border-top: 2px dashed var(--ink-2); display: inline-block; }
.vendors { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 10px; }
.chip {
  border: 1px solid var(--border); background: var(--surface); border-radius: 999px;
  padding: 2px 10px; font-size: 13px; cursor: pointer; color: var(--ink-1);
}
.chip[aria-pressed="false"] { color: var(--ink-3); text-decoration: line-through; }
.chip .n { color: var(--ink-3); margin-left: 4px; }
#scatter svg { display: block; width: 100%; height: auto; }
#scatter .grid { stroke: var(--grid); stroke-width: 1; }
#scatter .axis { stroke: var(--axis); stroke-width: 1; }
#scatter .tick { fill: var(--ink-3); font-size: 11px; font-variant-numeric: tabular-nums; }
#scatter .axis-title { fill: var(--ink-2); font-size: 12px; }
#scatter .pt { stroke: var(--surface); stroke-width: 2; }
#scatter .pt.relay { fill: var(--relay); }
#scatter .pt.other { fill: var(--other); }
#scatter .pt.hot { stroke: var(--ink-1); stroke-width: 2; }
#scatter .frontier { fill: none; stroke: var(--ink-2); stroke-width: 1.5; stroke-dasharray: 5 4; }
#scatter .label { fill: var(--ink-2); font-size: 11px; paint-order: stroke; stroke: var(--surface); stroke-width: 3px; stroke-linejoin: round; }
#scatter .leader { stroke: var(--ink-3); stroke-width: 1; }
.chart-credit { margin: 6px 0 0; text-align: right; color: var(--ink-3); font-size: 12px; }
.empty { color: var(--ink-3); padding: 40px 0; text-align: center; }

/* 悬停提示：数值在前，名字在后 */
.tooltip {
  position: fixed; z-index: 10; pointer-events: none; background: var(--surface); color: var(--ink-1);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 13px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12); max-width: 280px;
}
.tooltip .v { font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tooltip .sub { color: var(--ink-2); }
.tooltip .muted { color: var(--ink-3); }

/* 速查表 */
.table-tools { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; color: var(--ink-2); font-size: 14px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table.grid-table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 14px; }
.grid-table th, .grid-table td { padding: 7px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
.grid-table thead th { background: var(--surface); position: sticky; top: 0; z-index: 1; font-weight: 600; text-align: right; }
.grid-table thead tr.groups th { text-align: center; color: var(--ink-2); font-size: 12px; font-weight: 600; border-bottom: 1px solid var(--grid); }
.grid-table th.sortable { cursor: pointer; }
.grid-table th.sortable:hover { background: var(--wash); }
.grid-table th .arrow { color: var(--ink-3); margin-left: 3px; font-size: 11px; }
.grid-table th.name, .grid-table td.name { text-align: left; position: sticky; left: 0; background: var(--surface); z-index: 2; }
.grid-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.grid-table td.best .val { font-weight: 700; }
.grid-table .tag { display: block; color: var(--ink-3); font-size: 11px; line-height: 1.2; }
.grid-table tr.row { cursor: pointer; }
.grid-table tr.row:hover td { background: var(--wash); }
.grid-table tr.row:hover td.name { background: var(--surface); box-shadow: inset 0 0 0 999px var(--wash); }
.grid-table td.relay-names code, .pk-relay code {
  font-size: 12px; background: var(--wash); border-radius: 4px; padding: 1px 5px; margin-right: 4px;
}
.model-name { font-weight: 600; }
.vendor { color: var(--ink-3); font-size: 12px; margin-left: 6px; }
.star { color: var(--ink-2); margin-right: 4px; }
.nodata { color: var(--ink-3); }
tr.details td { background: var(--page); white-space: normal; padding: 12px 16px; }
.details-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px 24px; }
.details-grid h4 { margin: 0 0 4px; font-size: 13px; color: var(--ink-2); }
.details-grid table { border-collapse: collapse; font-size: 13px; }
.details-grid td, .details-grid th { padding: 2px 10px 2px 0; text-align: right; border: 0; font-variant-numeric: tabular-nums; white-space: nowrap; }
.details-grid th { color: var(--ink-3); font-weight: 500; }
.details-grid td:first-child, .details-grid th:first-child { text-align: left; }
.note { color: var(--ink-2); font-size: 13px; margin: 8px 0 0; }

/* PK */
.pk-pickers { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.pk-pickers label { display: inline-flex; align-items: center; gap: 8px; }
.pk-pickers select { max-width: 280px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); }
.pk-table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 14px; }
.pk-table th, .pk-table td { padding: 8px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
.pk-table thead th { text-align: left; font-size: 14px; }
.pk-table th.metric { text-align: left; font-weight: 500; color: var(--ink-2); white-space: nowrap; }
.pk-table th.metric .src { display: block; color: var(--ink-3); font-size: 11px; font-weight: 400; }
.pk-table tr.group th { font-size: 12px; color: var(--ink-2); font-weight: 700; padding-top: 16px; text-align: left; }
.pk-table td { min-width: 150px; }
.pk-val { font-variant-numeric: tabular-nums; }
.pk-val.best { font-weight: 700; }
.pk-val .tag { color: var(--ink-3); font-size: 11px; margin-left: 6px; }
.pk-val .best-tag { color: var(--ink-2); font-size: 11px; margin-left: 6px; font-weight: 500; }
.bar { height: 4px; border-radius: 2px; margin-top: 5px; background: var(--grid); }
.bar > i { display: block; height: 100%; border-radius: 2px; }

/* 页脚 */
.site-footer { color: var(--ink-2); font-size: 13px; padding: 28px 0 40px; }
.site-footer h3 { font-size: 14px; color: var(--ink-1); margin: 0 0 6px; }
.site-footer ul { margin: 0 0 12px; padding-left: 18px; }
.site-footer p { margin: 6px 0; }

@media (max-width: 640px) {
  .site-header h1 { font-size: 22px; }
  .legend { margin-left: 0; }
  .card { padding: 12px 8px; }
  .grid-table td.name .vendor { display: none; }  /* 手机上省出横向空间，厂商在悬停和 PK 里仍可见 */
  .grid-table th, .grid-table td { padding: 6px 8px; }
}