:root {
    color-scheme: light;
    --bg: #ffffff;
    --panel: #ffffff;
    --panel-2: #fafafa;
    --hover: #f4f4f5;
    --line: #e5e5e5;
    --line-soft: #efefef;
    --line-strong: #cfcfcf;
    --text: #0a0a0a;
    --muted: #5c5c5c;
    --faint: #8f8f8f;
    --accent: #0a0a0a;
    --accent-2: #5c5c5c;
    --warn: #5c5c5c;
    --pink: #8f8f8f;
    --danger: #b42318;
    --danger-line: #ecd2ce;
    --danger-bg: #ffffff;
    --danger-bg-hover: #fdf3f2;
    --ok: #0a0a0a;
    --ring-track: #ececec;
    --focus-ring: 0 0 0 3px rgba(0, 0, 0, .05);
    --mask: rgba(0, 0, 0, .28);
    --shadow: 0 1px 2px rgba(0, 0, 0, .04);
    --tip-shadow: 0 10px 30px -12px rgba(0, 0, 0, .18);
    --modal-shadow: 0 32px 80px -32px rgba(0, 0, 0, .35);
    --toast-shadow: 0 12px 30px -14px rgba(0, 0, 0, .25);
    --scroll-thumb: #dcdcdc;
    --radius: 10px;
  }
  :root[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0a0a0a;
    --panel: #111111;
    --panel-2: #181818;
    --hover: #202020;
    --line: #2b2b2b;
    --line-soft: #202020;
    --line-strong: #3f3f3f;
    --text: #f5f5f5;
    --muted: #b4b4b4;
    --faint: #8a8a8a;
    --accent: #f5f5f5;
    --accent-2: #b4b4b4;
    --warn: #b4b4b4;
    --pink: #8a8a8a;
    --danger: #ff8b80;
    --danger-line: #5c2b26;
    --danger-bg: transparent;
    --danger-bg-hover: #2a1512;
    --ok: #f5f5f5;
    --ring-track: #2b2b2b;
    --focus-ring: 0 0 0 3px rgba(255, 255, 255, .10);
    --mask: rgba(0, 0, 0, .62);
    --shadow: none;
    --tip-shadow: 0 10px 30px -12px rgba(0, 0, 0, .85);
    --modal-shadow: 0 32px 80px -32px rgba(0, 0, 0, .9);
    --toast-shadow: 0 12px 30px -14px rgba(0, 0, 0, .85);
    --scroll-thumb: #3a3a3a;
  }
  * { box-sizing: border-box;scrollbar-width: thin;
    scrollbar-color: var(--line) var(--bg); }
  html, body { margin: 0; padding: 0; }
  body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    transition: background-color .18s ease, color .18s ease;
  }
  a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--line); }
  ::selection { background: var(--text); color: var(--bg); }

  .shell { max-width: 1160px; margin: 0 auto; padding: 30px 24px 64px; }

  /* ---------- 顶栏 ---------- */
  .top {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; flex-wrap: wrap;
    margin-bottom: 24px; padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
  }
  .brand { display: flex; align-items: center; gap: 12px; }
  .logo {
    width: 38px; height: 38px; flex: 0 0 38px;
    display: grid; place-items: center;
    border-radius: 8px;
    font-size: 17px; color: var(--bg);
    background: var(--text);
  }
  .brand h1 { margin: 0; font-size: 17px; font-weight: 600; letter-spacing: -.2px; }
  .brand p { margin: 1px 0 0; color: var(--faint); font-size: 12.5px; }
  .top-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .pill {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 6px 12px; border-radius: 999px;
    background: var(--panel);
    border: 1px solid var(--line);
    color: var(--muted); font-size: 12px; white-space: nowrap;
  }
  .pill b { color: var(--text); font-weight: 550; }
  .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); }
  .dot.off { background: var(--line-strong); }
  .dot.pulse { animation: pulse 2s infinite; }
  @keyframes pulse { 50% { opacity: .3; } }

  /* ---------- 卡片 ---------- */
  .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  .kpis {
    display: grid; gap: 12px; margin-bottom: 16px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .kpi { padding: 18px 18px 16px; position: relative; overflow: hidden; }
  .kpi .label {
    display: flex; align-items: center; gap: 7px;
    color: var(--faint); font-size: 11.5px; letter-spacing: .3px;
  }
  .kpi .label i { width: 5px; height: 5px; border-radius: 1px; background: var(--text); }
  .kpi .value {
    margin-top: 12px; font-size: 26px; font-weight: 600;
    letter-spacing: -.6px; font-variant-numeric: tabular-nums;
  }
  .kpi .value small { font-size: 11px; font-weight: 500; color: var(--faint); margin-left: 5px; letter-spacing: 0; }
  .kpi .sub { margin-top: 4px; color: var(--faint); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .kpi.hit { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
  /* 修复：文字块过长时会把命中率环挤出卡片（被 overflow 裁切） */
  .kpi.hit > div:first-child { min-width: 0; flex: 1 1 auto; }
  .ring {
    --p: 0;
    width: 52px; height: 52px; flex: 0 0 52px; border-radius: 50%;
    background: conic-gradient(from -90deg, var(--text) calc(var(--p) * 1%), var(--ring-track) 0);
    display: grid; place-items: center; position: relative;
  }
  .ring::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: var(--panel); }
  .ring span { position: relative; font-size: 11px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; }

  /* ---------- 图表 ---------- */
  .chart-card { padding: 20px 22px 14px; margin-bottom: 16px; }
  .card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
  .card-head h2 { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: -.1px; }
  .card-head .hint { color: var(--faint); font-size: 12px; margin-left: 8px; font-weight: 400; }
  .legend { display: flex; gap: 6px; flex-wrap: wrap; }
  .legend button {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 5px 10px; border-radius: 6px; cursor: pointer;
    background: var(--panel); border: 1px solid var(--line);
    color: var(--faint); font: inherit; font-size: 11.5px;
    transition: background .15s, color .15s, border-color .15s;
  }
  .legend button:hover { color: var(--text); border-color: var(--line-strong); }
  .legend button.on { color: var(--text); border-color: var(--text); }
  .legend button i { width: 8px; height: 8px; border-radius: 1px; opacity: .3; }
  .legend button.on i { opacity: 1; }
  .chart-wrap { position: relative; margin-top: 16px; }
  .chart-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }
  .chart-empty {
    position: absolute; inset: 0; display: grid; place-items: center;
    color: var(--faint); font-size: 12.5px; pointer-events: none;
  }
  .tip {
    position: absolute; pointer-events: none; opacity: 0;
    transform: translate(-50%, -108%);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px; padding: 9px 11px;
    box-shadow: var(--tip-shadow);
    min-width: 152px; z-index: 5; transition: opacity .12s;
  }
  .tip.show { opacity: 1; }
  .tip .t { color: var(--faint); font-size: 11px; margin-bottom: 6px; white-space: nowrap; }
  .tip .row { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 12px; padding: 1.5px 0; }
  .tip .row span { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
  .tip .row i { width: 7px; height: 7px; border-radius: 1px; }
  .tip .row b { font-weight: 600; font-variant-numeric: tabular-nums; }

  /* ---------- 双栏 ---------- */
  .grid2 { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); margin-bottom: 16px; }
  .card.sect { padding: 20px 22px; }
  .sect-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
  .sect-head h2 { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: -.1px; }
  .sect-head p { margin: 3px 0 0; color: var(--faint); font-size: 12px; }

  /* ---------- 压缩等级 ---------- */
  .level-card { padding: 20px 22px; margin-bottom: 16px; }
  .level-row { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: 18px; align-items: start; }
  .level-desc { padding-left: 13px; border-left: 2px solid var(--line); color: var(--muted); font-size: 12.5px; line-height: 1.65; }
  .level-desc b { color: var(--text); font-weight: 600; }
  .risk { display: flex; gap: 8px; align-items: flex-start; margin-top: 14px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); color: var(--muted); font-size: 12px; line-height: 1.65; }
  .risk.hot { border-color: var(--danger-line); background: var(--danger-bg); color: var(--danger); }
  .risk[hidden] { display: none; }
  .risk .ico { flex: 0 0 auto; font-weight: 600; }
  .level-params { margin-top: 12px; }
  .llm-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 16px; }
  .llm-row.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .llm-row[hidden] { display: none; }
  .llm-row .field.wide { grid-column: 1 / -1; }
  .llm-row .field label em { font-style: normal; color: var(--faint); font-weight: 400; }

  /* ---------- 本地模型下载 ---------- */
  .dl-line { display: flex; align-items: center; gap: 10px; min-height: 34px; }
  .dl-line .btn[hidden] { display: none; }
  .dl-actions { grid-column: 1 / -1; }
  .dl-progress { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
  .dl-progress[hidden] { display: none; }
  .dl-bar { flex: 1; height: 6px; border-radius: 3px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
  .dl-fill { height: 100%; width: 0%; background: var(--text); transition: width .3s; }
  .dl-text { font-size: 11px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
  .dl-meta { margin-top: 7px; font-size: 11px; line-height: 1.5; color: var(--faint); font-variant-numeric: tabular-nums; }
  .dl-meta[hidden] { display: none; }
  .dl-meta.err { color: var(--danger); }
  .dl-actions .btn.ghost { padding-left: 10px; padding-right: 10px; }

  /* ---------- 缓存诊断 ---------- */
  .diag-card { padding: 20px 22px; margin-bottom: 16px; }
  .diag-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 14px; }
  .diag-metric { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: var(--panel-2); }
  .diag-metric .k { font-size: 11px; color: var(--faint); letter-spacing: .02em; }
  .diag-metric .v { font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 3px; }
  .diag-metric .u { font-size: 11px; color: var(--faint); font-weight: 400; margin-left: 2px; }
  .diag-item { display: flex; gap: 10px; padding: 11px 0; border-top: 1px solid var(--line-soft); }
  .diag-item:first-child { border-top: none; padding-top: 2px; }
  .diag-item .dot { width: 6px; height: 6px; border-radius: 50%; margin-top: 7px; flex: 0 0 auto; background: var(--faint); }
  .diag-item.warn .dot { background: var(--text); box-shadow: 0 0 0 3px var(--hover); }
  .diag-item .body { min-width: 0; flex: 1 1 auto; }
  .diag-item .t { font-size: 13px; font-weight: 600; }
  .diag-item .d { font-size: 12px; color: var(--muted); margin-top: 3px; line-height: 1.55; }
  .diag-item .a { font-size: 12px; color: var(--text); opacity: .78; margin-top: 4px; line-height: 1.55; }
  .diag-item .cnt { margin-left: auto; font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
  @media (max-width: 720px) { .diag-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

  /* ---------- 账户计费 ---------- */
  .billing-card { padding: 20px 22px; margin-bottom: 16px; }
  .bill-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .bill-kpi { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; background: var(--panel-2); }
  .bill-kpi .k { font-size: 11px; color: var(--faint); letter-spacing: .02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .bill-kpi .v { font-size: 20px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; letter-spacing: -.3px; white-space: nowrap; }
  .bill-kpi .v small { font-size: 11px; font-weight: 500; color: var(--faint); margin-left: 4px; letter-spacing: 0; }
  .bill-body { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 20px; margin-top: 16px; }
  .bill-sub { font-size: 11px; color: var(--faint); letter-spacing: .02em; margin-bottom: 9px; }
  .bill-bars { display: flex; align-items: flex-end; gap: 4px; height: 92px; border-bottom: 1px solid var(--line-soft); }
  .bill-bar { flex: 1 1 0; min-height: 2px; border-radius: 2px 2px 0 0; background: var(--text); opacity: .16; transition: opacity .15s; }
  .bill-bar:hover { opacity: .5; }
  .bill-bar.hot { opacity: .8; }
  /* 无消费日：保留刻度，避免整张图看起来是空白 */
  .bill-bar.zero { background: var(--line); opacity: 1; }
  .bill-axis { display: flex; justify-content: space-between; margin-top: 6px; font-size: 10.5px; color: var(--faint); font-variant-numeric: tabular-nums; }
  .bill-model { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--line-soft); font-size: 12.5px; }
  .bill-model:first-of-type { border-top: none; padding-top: 0; }
  .bill-model .n { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .bill-model .m { color: var(--faint); font-size: 11px; margin-left: 6px; }
  .bill-model .c { flex: 0 0 auto; color: var(--muted); font-variant-numeric: tabular-nums; }
  .bill-empty { color: var(--faint); font-size: 12px; padding: 6px 0; }
  .bill-who { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
  .bill-who .n { font-size: 12px; color: var(--muted); }
  .bill-who code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; color: var(--faint); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
  @media (max-width: 900px) {
    .bill-body { grid-template-columns: minmax(0, 1fr); }
    .bill-kpis { grid-template-columns: minmax(0, 1fr); }
  }

  /* 供应商 */
  .field { margin-bottom: 13px; }
  .field:last-child { margin-bottom: 0; }
  .field label { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
  .field label em { font-style: normal; color: var(--faint); font-size: 11px; }
  .select-wrap { position: relative; }
  select {
    width: 100%; appearance: none; cursor: pointer;
    background: var(--panel); color: var(--text);
    border: 1px solid var(--line); border-radius: 8px;
    padding: 9px 34px 9px 12px; font: inherit; font-size: 13px;
    outline: none; transition: border-color .15s;
  }
  select:focus { border-color: var(--text); box-shadow: var(--focus-ring); }
  .select-wrap::after {
    content: ""; position: absolute; right: 13px; top: 50%;
    width: 6px; height: 6px; margin-top: -5px;
    border-right: 1.5px solid var(--faint); border-bottom: 1.5px solid var(--faint);
    transform: rotate(45deg); pointer-events: none;
  }
  .proto-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 4px; }
  .proto-grid .field label { font-size: 11.5px; }
  .proto-grid select { font-size: 12px; padding: 8px 28px 8px 10px; }
  .proto-grid .select-wrap::after { right: 11px; }
  .chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 18px; }
  .chip {
    display: inline-flex; align-items: center; gap: 6px;
    border: 1px solid var(--line); background: var(--panel-2);
    color: var(--muted); border-radius: 5px; padding: 3px 8px; font-size: 11.5px;
  }
  .chip b { color: var(--text); font-weight: 550; }
  .prov-list { margin-top: 16px; padding-top: 15px; border-top: 1px solid var(--line-soft); display: grid; gap: 8px; max-height: 216px; overflow: auto; }
  .prov {
    display: flex; align-items: center; gap: 11px;
    padding: 10px 12px; border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--panel);
  }
  .prov.on { border-color: var(--text); background: var(--panel-2); }
  .prov .pdot { width: 7px; height: 7px; flex: 0 0 7px; border-radius: 50%; background: var(--line-strong); }
  .prov.on .pdot { background: var(--text); }
  .prov .pinfo { min-width: 0; flex: 1; }
  .prov .pname { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 550; }
  .prov .pname span { font-weight: 400; color: var(--faint); font-size: 11.5px; }
  .prov .pmeta { color: var(--faint); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .prov .pact {
    flex: 0 0 auto; font-size: 10.5px; color: var(--text);
    border: 1px solid var(--text); border-radius: 4px;
    padding: 2px 7px; background: var(--panel);
  }
  .prov .pacts { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; flex: 0 0 auto; }
  .btn.danger { color: var(--danger); border-color: var(--danger-line); background: var(--danger-bg); }
  .btn.danger:hover { background: var(--danger-bg-hover); border-color: var(--danger); }
  .tag {
    font-size: 10.5px; color: var(--muted); border: 1px solid var(--line);
    border-radius: 4px; padding: 1px 6px; background: var(--panel-2);
  }
  .empty-note { color: var(--faint); font-size: 12px; padding: 14px 0 2px; }

  /* ---------- 供应商弹窗 ---------- */
  .modal-mask {
    position: fixed; inset: 0; z-index: 40;
    display: flex; align-items: center; justify-content: center;
    padding: 20px; background: var(--mask);
    backdrop-filter: blur(3px);
  }
  .modal-mask[hidden] { display: none; }
  .modal {
    width: min(620px, 100%); max-height: calc(100vh - 40px);
    display: flex; flex-direction: column;
    background: var(--panel); border: 1px solid var(--line);
    border-radius: 12px; box-shadow: var(--modal-shadow);
    animation: modalin .16s ease-out;
  }
  @keyframes modalin { from { opacity: 0; transform: translateY(10px) scale(.99); } }
  .modal header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px 14px; border-bottom: 1px solid var(--line-soft);
  }
  .modal header h3 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -.2px; }
  .modal header .x {
    cursor: pointer; background: transparent; border: 0; color: var(--faint);
    font-size: 20px; line-height: 1; padding: 2px 6px; border-radius: 6px;
  }
  .modal header .x:hover { background: var(--hover); color: var(--text); }
  .pm-body { padding: 18px 22px 20px; overflow: auto; }
  .form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .pm-field { display: flex; flex-direction: column; gap: 6px; }
  .pm-field.wide { grid-column: span 2; }
  .pm-field label { color: var(--muted); font-size: 12px; }
  .pm-field input[type="text"], .pm-field input[type="password"] {
    background: var(--panel); color: var(--text); font: inherit; font-size: 13px;
    border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; outline: none;
    transition: border-color .15s, opacity .15s;
  }
  .pm-field input:focus { border-color: var(--text); box-shadow: var(--focus-ring); }
  .pm-field input:disabled { opacity: .5; cursor: not-allowed; background: var(--panel-2); }
  .switch { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12.5px; cursor: pointer; user-select: none; }
  .switch input { accent-color: var(--text); width: 15px; height: 15px; }
  .fetch-row { display: flex; align-items: center; gap: 10px; margin: 16px 0 10px; flex-wrap: wrap; }
  .fetch-row .state { color: var(--faint); font-size: 12px; }
  .fetch-row .state.err { color: var(--danger); }
  .fetch-row .state.ok { color: var(--text); }
  .manual-row { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; }
  .manual-row input {
    flex: 1; min-width: 0;
    background: var(--panel); color: var(--text); font: inherit; font-size: 13px;
    border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; outline: none;
    transition: border-color .15s;
  }
  .manual-row input:focus { border-color: var(--text); box-shadow: var(--focus-ring); }
  .picker {
    border: 1px solid var(--line); border-radius: 8px;
    background: var(--panel);
    display: flex; flex-direction: column; min-height: 132px;
  }
  .picker-bar {
    display: flex; align-items: center; gap: 8px; padding: 9px 10px;
    border-bottom: 1px solid var(--line-soft); flex-wrap: wrap;
  }
  .picker-bar .search { flex: 1; min-width: 130px; }
  .picker-bar .search input { padding: 7px 10px 7px 30px; font-size: 12px; border-radius: 6px; }
  .picker-bar .search::before { left: 10px; width: 9px; height: 9px; margin-top: -5px; }
  .picker-bar .search::after { left: 18px; margin-top: 4px; width: 3px; }
  .picker-bar .count { color: var(--faint); font-size: 11.5px; white-space: nowrap; }
  .picker-list { max-height: 232px; overflow: auto; padding: 6px; display: grid; gap: 2px; }
  .pick {
    display: flex; align-items: center; gap: 9px; padding: 7px 9px;
    border-radius: 6px; cursor: pointer; font-size: 12.5px;
    font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
    color: var(--muted); word-break: break-all;
  }
  .pick:hover { background: var(--hover); color: var(--text); }
  .pick input { accent-color: var(--text); width: 14px; height: 14px; flex: 0 0 14px; }
  .pick.on { color: var(--text); }
  .pm-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 15px 22px; border-top: 1px solid var(--line-soft); flex-wrap: wrap;
  }
  .pm-foot .sel { color: var(--faint); font-size: 12px; }
  .pm-foot .acts { display: flex; gap: 8px; margin-left: auto; }

  /* ---------- 通用输入框 ---------- */
  .input {
    width: 100%; background: var(--panel); color: var(--text); font: inherit; font-size: 13px;
    border: 1px solid var(--line); border-radius: 8px; padding: 9px 12px; outline: none;
    transition: border-color .15s, opacity .15s;
  }
  .input:focus { border-color: var(--text); box-shadow: var(--focus-ring); }
  .input::placeholder { color: var(--faint); }
  .input:disabled { opacity: .5; cursor: not-allowed; background: var(--panel-2); }

  /* ---------- 自定义对话框（替代原生 alert / prompt / confirm） ---------- */
  body.dlg-open { overflow: hidden; }
  .dlg-mask {
    position: fixed; inset: 0; z-index: 60;
    display: flex; align-items: center; justify-content: center;
    padding: 20px; background: var(--mask);
    backdrop-filter: blur(3px);
  }
  .dlg-mask[hidden] { display: none; }
  .dlg {
    width: min(440px, 100%);
    background: var(--panel); border: 1px solid var(--line);
    border-radius: 12px; box-shadow: var(--modal-shadow);
    animation: modalin .16s ease-out;
  }
  .dlg-head {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 16px 18px 8px;
  }
  .dlg-head h3 { margin: 0; font-size: 14.5px; font-weight: 600; letter-spacing: -.2px; }
  .dlg-head .x {
    cursor: pointer; background: transparent; border: 0; color: var(--faint);
    font-size: 20px; line-height: 1; padding: 0 4px; border-radius: 6px;
  }
  .dlg-head .x:hover { background: var(--hover); color: var(--text); }
  .dlg-body { padding: 0 18px; }
  .dlg-msg {
    margin: 4px 0 0; color: var(--muted); font-size: 12.5px; line-height: 1.7;
    white-space: pre-line; word-break: break-word;
  }
  .dlg-msg.multi { color: var(--text); }
  .dlg-input-wrap { margin-top: 12px; }
  .dlg-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 16px 18px 18px; }
  .dlg-foot .btn { min-width: 74px; }
  .btn.danger-solid { background: var(--danger); border-color: var(--danger); color: var(--bg); }
  .btn.danger-solid:hover { background: var(--danger); opacity: .85; }

  /* ---------- Fallback / 网络代理 ---------- */
  .fb-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; flex-wrap: wrap; margin-bottom: 14px;
  }
  .fb-retry { display: flex; align-items: center; gap: 8px; }
  .fb-retry .select-wrap { width: 118px; }
  .fb-retry select { padding: 6px 28px 6px 10px; font-size: 12px; }
  .fb-sub {
    display: flex; align-items: baseline; justify-content: space-between;
    color: var(--faint); font-size: 11px; letter-spacing: .05em; margin-bottom: 7px;
  }
  .fb-sub em { font-style: normal; font-variant-numeric: tabular-nums; }
  .fb-list { display: grid; gap: 7px; }
  .fb-row { display: flex; align-items: center; gap: 8px; }
  .fb-row .idx {
    width: 16px; flex: 0 0 16px; color: var(--faint); font-size: 11px;
    font-variant-numeric: tabular-nums; text-align: right;
  }
  .fb-row .select-wrap { flex: 1; min-width: 0; }
  .fb-row select { font-size: 12.5px; padding: 7px 30px 7px 10px; }
  .fb-row .acts { display: flex; gap: 4px; flex: 0 0 auto; }
  .fb-row .acts button {
    width: 26px; height: 26px; padding: 0; display: grid; place-items: center;
    border-radius: 6px; border: 1px solid var(--line); background: var(--panel);
    color: var(--muted); cursor: pointer; font: inherit; font-size: 12px; line-height: 1;
    transition: background .15s, color .15s;
  }
  .fb-row .acts button:hover:not(:disabled) { background: var(--hover); color: var(--text); }
  .fb-row .acts button:disabled { opacity: .35; cursor: not-allowed; }
  .fb-empty {
    border: 1px dashed var(--line); border-radius: 8px; padding: 16px 12px;
    color: var(--faint); font-size: 12px; text-align: center; line-height: 1.6;
  }
  .fb-actions { display: flex; align-items: center; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
  .fb-actions .btn.primary { margin-left: auto; }
  .fb-actions .btn.dirty { box-shadow: 0 0 0 2px var(--hover); }
  .fb-note { margin-top: 10px; color: var(--faint); font-size: 11px; line-height: 1.65; }
  .fb-hint { font-size: 11px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 60%; }
  .fb-events { margin-top: 10px; display: grid; gap: 5px; }
  .fb-event { display: flex; align-items: center; gap: 7px; font-size: 11px; color: var(--muted); min-width: 0; }
  .fb-event time { color: var(--faint); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
  .fb-event b { font-weight: 550; flex: 0 0 auto; }
  .fb-event span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .fb-event .st {
    flex: 0 0 auto; font-size: 10px; padding: 0 5px; border-radius: 4px;
    border: 1px solid var(--line); color: var(--faint);
  }
  .fb-event .st.ok { color: var(--text); border-color: var(--text); }
  .fb-event .st.bad { color: var(--danger); border-color: var(--danger-line); }
  .fb-event .err { color: var(--danger); }
  .tag.on { color: var(--text); border-color: var(--text); background: var(--panel); }

  /* 模型 */
  .model-top { display: flex; align-items: center; gap: 10px; margin-bottom: 13px; flex-wrap: wrap; }
  .search { position: relative; flex: 1; min-width: 170px; }
  .search input {
    width: 100%; background: var(--panel); color: var(--text);
    border: 1px solid var(--line); border-radius: 8px;
    padding: 9px 12px 9px 34px; font: inherit; font-size: 13px; outline: none;
    transition: border-color .15s;
  }
  .search input:focus { border-color: var(--text); box-shadow: var(--focus-ring); }
  .search::before {
    content: ""; position: absolute; left: 13px; top: 50%; width: 10px; height: 10px;
    margin-top: -6px; border: 1.5px solid var(--faint); border-radius: 50%;
  }
  .search::after {
    content: ""; position: absolute; left: 22px; top: 50%; width: 4px; height: 1.5px;
    margin-top: 5px; background: var(--faint); transform: rotate(45deg);
  }
  .default-panel {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 11px 13px; border-radius: 8px; margin-bottom: 12px;
    border: 1px dashed var(--line);
    background: var(--panel-2);
  }
  .default-panel .dlabel { color: var(--faint); font-size: 11.5px; }
  .default-panel .dval { font-size: 13px; font-weight: 600; word-break: break-all; }
  .default-panel .dval.none { color: var(--faint); font-weight: 400; }
  .btn {
    cursor: pointer; font: inherit; font-size: 12px;
    border-radius: 7px; padding: 7px 12px;
    border: 1px solid var(--line); background: var(--panel); color: var(--text);
    transition: background .15s, border-color .15s, transform .1s, opacity .15s;
  }
  .btn:hover { background: var(--hover); }
  .btn:active { transform: translateY(1px); }
  .btn.primary { background: var(--text); border-color: var(--text); color: var(--bg); }
  .btn.primary:hover { background: var(--text); opacity: .82; }
  .btn.ghost { background: transparent; color: var(--muted); border-color: var(--line); }
  .btn.ghost:hover { background: var(--hover); color: var(--text); }
  .btn.mini { padding: 4px 9px; font-size: 11px; border-radius: 6px; }
  .model-list { display: grid; gap: 7px; max-height: 330px; overflow: auto; padding-right: 2px; }
  .mgroup { margin-top: 4px; }
  .mgroup:first-child { margin-top: 0; }
  .mgroup h4 {
    margin: 0 0 6px; color: var(--faint); font-size: 10.5px; font-weight: 500;
    letter-spacing: .7px; text-transform: uppercase;
  }
  .mrow {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 11px; border-radius: 8px;
    border: 1px solid var(--line-soft);
    background: var(--panel);
    transition: border-color .15s, background .15s;
  }
  .mrow:hover { border-color: var(--line); background: var(--panel-2); }
  .mrow.cur { border-color: var(--text); background: var(--panel-2); }
  .mrow .mid { flex: 1; min-width: 0; font-size: 12.5px; word-break: break-all; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
  .mrow .mbtns { display: flex; gap: 6px; flex: 0 0 auto; }
  .scroll::-webkit-scrollbar, .model-list::-webkit-scrollbar, .prov-list::-webkit-scrollbar { width: 8px; }
  .scroll::-webkit-scrollbar-thumb, .model-list::-webkit-scrollbar-thumb, .prov-list::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 8px; }
  .scroll::-webkit-scrollbar-track, .model-list::-webkit-scrollbar-track, .prov-list::-webkit-scrollbar-track { background: transparent; }

  footer { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--faint); font-size: 11.5px; }
  footer b { color: var(--muted); font-weight: 500; font-variant-numeric: tabular-nums; }

  /* ---------- Agent 配置提示词 ---------- */
  .agent-card { padding: 18px 22px; }
  /* 收起时收窄上下留白，看起来像一条可展开的横条 */
  .agent-card.collapsed { padding: 15px 22px; }
  .agent-card .agent-head { display: block; margin-bottom: 16px; }
  /* 整行不换行（按钮恒在同一行右端）；说明文字在窄屏自动折行，不被截断 */
  .agent-card .agent-head-row { display: flex; align-items: flex-start; gap: 12px; flex-wrap: nowrap; }
  .agent-card .agent-head h2 { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: -.1px; }
  /* 展开/收起指示符，避免用户不知道这行可以点 */
  .agent-card .agent-head h2::before {
    content: "▸"; display: inline-block; margin-right: 7px;
    color: var(--faint); font-size: 11px; transition: transform .16s ease;
  }
  .agent-card:not(.collapsed) .agent-head h2::before { transform: rotate(90deg); }
  .agent-card .agent-head-row p {
    flex: 1 1 0; min-width: 0; margin: 6px 0 0 15px;
    color: var(--faint); font-size: 12px; line-height: 1.5;
    white-space: normal; overflow-wrap: anywhere;
  }
  .agent-card .agent-head-row .btn { flex: 0 0 auto; white-space: nowrap; }
  #agentHead { cursor: pointer; user-select: none; }
  #agentHead:hover h2::before { color: var(--text); }
  #agentBody { margin: 0; padding: 14px 16px; max-height: 240px; overflow: auto; background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: 8px; font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
  #agentBody::-webkit-scrollbar { width: 8px; }
  #agentBody::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 8px; }
  #agentBody::-webkit-scrollbar-track { background: transparent; }
  /* 收起时只留标题条，避免「下拉框/复制按钮还在、正文却没了」的半截状态 */
  .agent-card.collapsed .agent-connect,
  .agent-card.collapsed .agent-target,
  .agent-card.collapsed .agent-status,
  .agent-card.collapsed .agent-subhead,
  .agent-card.collapsed #agentBody { display: none; }
  .agent-card.collapsed .agent-head { margin-bottom: 0; }

  /* 选中 Agent 后提示将写入哪个配置文件 */
  .agent-target {
    margin: -2px 0 12px; color: var(--faint);
    font-size: 11.5px; line-height: 1.55; word-break: break-all;
  }
  .agent-target.ok { color: var(--text); }
  .agent-target.warn { color: var(--muted); }
  .agent-target.err { color: var(--danger); }
  /* 连接结果：标签 + 值的两列排布，长路径自动换行 */
  .agent-status .kv { display: grid; grid-template-columns: 58px 1fr; gap: 2px 10px; }
  .agent-status .kv .k { color: var(--faint); }
  .agent-status .kv .v { word-break: break-all; }
  .agent-status .foot { margin-top: 6px; color: var(--faint); }

  /* ---------- 窄屏手风琴折叠（宽屏保持原样） ---------- */
  @media (max-width: 720px) {
    .card[data-acc] > .card-head,
    .card[data-acc] > .sect-head { cursor: pointer; user-select: none; }
    .card[data-acc] > .card-head h2::before,
    .card[data-acc] > .sect-head h2::before {
      content: "▸"; display: inline-block; margin-right: 7px;
      color: var(--faint); font-size: 11px; transition: transform .16s ease;
    }
    .card[data-acc]:not(.collapsed) > .card-head h2::before,
    .card[data-acc]:not(.collapsed) > .sect-head h2::before { transform: rotate(90deg); }
    .card[data-acc].collapsed { padding: 14px 16px; }
    .card[data-acc].collapsed > .card-head,
    .card[data-acc].collapsed > .sect-head { margin-bottom: 0; }
    /* 收起时只剩标题条，说明文字一并隐藏，保持一行高度 */
    .card[data-acc].collapsed > .sect-head p { display: none; }
    .card[data-acc].collapsed > :not(.card-head):not(.sect-head) { display: none; }
  }

  .toast {
    position: fixed; right: 20px; bottom: 20px; z-index: 50;
    display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
  }
  .toast div {
    background: var(--panel); border: 1px solid var(--line);
    border-left: 3px solid var(--text); border-radius: 8px;
    padding: 10px 14px; font-size: 12.5px; color: var(--text);
    box-shadow: var(--toast-shadow); animation: slidein .18s ease-out;
    max-width: 320px;
  }
  .toast div.err { border-left-color: var(--danger); }
  @keyframes slidein { from { opacity: 0; transform: translateY(6px); } }

  .theme-btn { white-space: nowrap; }

  /* 语言切换：中文 / English */
  .lang-switch {
    display: inline-flex; align-items: stretch;
    border: 1px solid var(--line); border-radius: 999px;
    overflow: hidden; background: transparent;
  }
  .lang-switch button {
    border: 0; background: transparent; color: var(--muted);
    font: inherit; font-size: 11.5px; line-height: 1;
    padding: 6px 10px; cursor: pointer;
    transition: background .15s, color .15s;
  }
  .lang-switch button + button { border-left: 1px solid var(--line); }
  .lang-switch button:hover { background: var(--hover); color: var(--text); }
  .lang-switch button.on { background: var(--text); color: var(--bg); }

  @media (max-width: 1080px) {
    .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid2 { grid-template-columns: minmax(0, 1fr); }
    .level-row { grid-template-columns: minmax(0, 1fr); }
    .level-desc { border-left: none; padding-left: 0; }
    .llm-row { grid-template-columns: minmax(0, 1fr); }
    .llm-row.two { grid-template-columns: minmax(0, 1fr); }
  }
  @media (max-width: 680px) {
    .shell { padding: 20px 14px 44px; }
    .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .kpi { padding: 14px; }
    .kpi .value { font-size: 21px; }
    .kpi .sub { font-size: 11px; }
    .ring { width: 46px; height: 46px; flex: 0 0 46px; }
    .ring span { font-size: 10px; }
    .chart-card, .card.sect { padding: 16px; }
    .proto-grid { grid-template-columns: minmax(0, 1fr); }
    .form-grid { grid-template-columns: minmax(0, 1fr); }
    .pm-field.wide { grid-column: span 1; }
    .modal header, .pm-body, .pm-foot { padding-left: 16px; padding-right: 16px; }
    .brand h1 { font-size: 16px; }
    .pill.hide-sm { display: none; }
    .legend button { padding: 5px 9px; font-size: 11px; }
  }

  /* 统计范围筛选 */
  .model-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 14px;
    padding: 12px 16px; margin-bottom: 14px; flex-wrap: wrap;
  }
  .mb-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
  .mb-label { font-size: 12px; color: var(--muted); white-space: nowrap; }
  .mb-left .select-wrap { min-width: 210px; }
  .mb-hint { font-size: 11px; color: var(--faint); }
  .mb-chips { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
  /* 统计时段基线控件：复用 .hist-range 的按钮态，只收紧间距 */
  .mb-base { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; }
  .mb-base .hist-range { gap: 4px; }

  /* 历史统计 */
  .hist-card { padding: 20px 22px; margin-bottom: 16px; }
  .hist-range { display: flex; gap: 6px; }
  .hist-range .btn.on { background: var(--text); color: var(--bg); border-color: var(--text); }
  .hist-totals { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
  .hist-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 16px; }
  @media (max-width: 1180px) { .hist-grid { grid-template-columns: 1fr; } }
  .hist-pane { min-width: 0; }
  .hist-table-wrap {
    border: 1px solid var(--line); border-radius: var(--radius);
    overflow: auto; max-height: 300px; background: var(--panel-2);
  }
  .hist-table {
    width: 100%; min-width: 460px; border-collapse: collapse; font-size: 11.5px;
    table-layout: fixed;
  }
  .hist-table.wide { min-width: 580px; }
  .hist-table th, .hist-table td {
    padding: 7px 8px; text-align: right; white-space: nowrap; overflow: hidden;
    text-overflow: ellipsis; font-variant-numeric: tabular-nums;
  }
  .hist-table th:nth-child(1), .hist-table td:nth-child(1),
  .hist-table th:nth-child(2), .hist-table td:nth-child(2),
  .hist-table th:nth-child(3), .hist-table td:nth-child(3) { text-align: left; }
  .hist-table thead th {
    position: sticky; top: 0; background: var(--panel); color: var(--faint);
    font-weight: 500; border-bottom: 1px solid var(--line); z-index: 1;
  }
  .hist-table tbody tr + tr td { border-top: 1px solid var(--line-soft); }
  .hist-table tbody tr:hover td { background: var(--hover); }
  .hist-empty { text-align: center; color: var(--faint); padding: 22px 8px; }
  .hist-sub {
    font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
    color: var(--faint); margin: 0 0 7px;
  }

  /* ---------- 连接 Agent ---------- */
  .agent-connect {
    display: flex; gap: 10px; align-items: center;
    margin: 2px 0 10px;
  }
  .agent-connect .select-wrap.grow { flex: 1; }
  .agent-connect select { width: 100%; }
  .agent-status {
    margin: 0 0 10px; padding: 10px 12px;
    border-radius: 8px; border: 1px solid var(--line-soft);
    background: var(--panel);
    font-size: 12px; line-height: 1.6; word-break: break-all;
  }
  .agent-status b { font-weight: 600; }
  .agent-status span { color: var(--faint); }
  .agent-status.ok { border-color: rgba(46, 160, 67, 0.45); }
  .agent-status.warn { border-color: rgba(191, 144, 0, 0.5); }
  .agent-status.err { border-color: rgba(224, 90, 90, 0.55); }
  .agent-subhead {
    display: flex; justify-content: space-between; align-items: center;
    gap: 10px; margin: 16px 0 8px;
  }
  .agent-subhead h3 { margin: 0; font-size: 13px; }
  .agent-subhead p { margin: 2px 0 0; color: var(--faint); font-size: 11.5px; }