:root {
  color-scheme: light;
  --bg: #f9f9f7;
  --panel: #fcfcfb;
  --panel-2: #f2f1ed;
  --border: rgba(11, 11, 11, 0.10);
  --border-strong: rgba(11, 11, 11, 0.22);
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #6b6a65;
  --accent: #2a78d6;
  --accent-2: #1c5cab;
  --accent-soft: #e3eefb;
  --accent-text: #1c5cab;
  --good: #0ca30c;
  --good-text: #006300;
  --good-soft: #e3f4e3;
  --bad: #d03b3b;
  --bad-soft: #fbe6e6;
  --warn: #fab219;
  --warn-text: #8a5a00;
  --warn-soft: #fdf2d9;
  --row-hover: #f3f6fb;
  --row-edit: #eef4fc;
  --header-bg: #f2f1ed;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.06), 0 2px 8px rgba(11, 11, 11, 0.04);
  --shadow-strong: 0 12px 40px rgba(11, 11, 11, 0.18);
  --tip-bg: #1f1f1d;
  --tip-text: #ffffff;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --bg: #0d0d0d; --panel: #1a1a19; --panel-2: #232321; --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.22); --text: #ffffff; --text-2: #c3c2b7; --muted: #898781;
    --accent: #3987e5; --accent-2: #86b6ef; --accent-soft: #16263a; --accent-text: #86b6ef; --muted: #9a9890; --good-text: #0ca30c; --good-soft: #13281a;
    --bad-soft: #3a1c1c; --warn-text: #fab219; --warn-soft: #3a2e12; --row-hover: #20242b; --row-edit: #1d2735;
    --header-bg: #232321; --grid: #2c2c2a; --axis: #383835; --tip-bg: #f2f1ed; --tip-text: #0b0b0b;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4); --shadow-strong: 0 12px 40px rgba(0, 0, 0, 0.6);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0d0d; --panel: #1a1a19; --panel-2: #232321; --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.22); --text: #ffffff; --text-2: #c3c2b7; --muted: #898781;
  --accent: #3987e5; --accent-2: #86b6ef; --accent-soft: #16263a; --accent-text: #86b6ef; --muted: #9a9890; --good-text: #0ca30c; --good-soft: #13281a;
  --bad-soft: #3a1c1c; --warn-text: #fab219; --warn-soft: #3a2e12; --row-hover: #20242b; --row-edit: #1d2735;
  --header-bg: #232321; --grid: #2c2c2a; --axis: #383835; --tip-bg: #f2f1ed; --tip-text: #0b0b0b;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4); --shadow-strong: 0 12px 40px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 13px/1.45 var(--font); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono { font-family: var(--mono); font-size: 12px; }
h1 { font-size: 20px; margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0 0 10px; font-weight: 620; }
h3 { font-size: 13px; margin: 0 0 8px; font-weight: 620; }
.muted { color: var(--muted); }
.sub { color: var(--text-2); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- shell */
.shell { display: grid; grid-template-columns: 208px 1fr; min-height: 100vh; }
.nav { background: var(--panel); border-right: 1px solid var(--border); padding: 16px 10px; position: sticky;
  top: 0; height: 100vh; display: flex; flex-direction: column; gap: 2px; }
.brand { display: flex; align-items: center; gap: 9px; padding: 4px 8px 16px; font-weight: 680; font-size: 14px; }
.brand-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); display: grid; place-items: center; }
.brand-mark svg { width: 16px; height: 16px; }
.nav a { display: flex; align-items: center; gap: 9px; padding: 7px 10px; border-radius: 7px; color: var(--text-2);
  font-weight: 520; }
.nav a:hover { background: var(--panel-2); text-decoration: none; color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--accent-text); }
.nav a svg { width: 16px; height: 16px; flex: none; opacity: .85; }
.nav .spacer { flex: 1; }
.nav .foot { padding: 8px 10px; font-size: 11.5px; color: var(--muted); border-top: 1px solid var(--border); }
.nav .foot button { margin-top: 6px; }
main { padding: 22px 28px 40px; min-width: 0; }
.page-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head .grow { flex: 1; }
.crumbs { font-size: 12px; color: var(--muted); margin-bottom: 4px; }

/* ---------- controls */
button, .btn { font: inherit; border: 1px solid var(--border-strong); background: var(--panel); color: var(--text);
  border-radius: 7px; padding: 6px 12px; cursor: pointer; font-weight: 540; line-height: 1.3; }
button:hover { background: var(--panel-2); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-2); }
button.danger { color: var(--bad); }
button.ghost { border-color: transparent; background: transparent; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.small { padding: 3px 8px; font-size: 12px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border-strong);
  border-radius: 7px; padding: 6px 9px; min-width: 0; }
textarea { width: 100%; resize: vertical; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: grid; gap: 4px; font-size: 12px; color: var(--text-2); font-weight: 540; }
label.check { display: inline-flex; gap: 6px; align-items: center; font-size: 12.5px; }
.seg { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; padding: 5px 12px; background: var(--panel); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent-soft); color: var(--accent-text); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border-strong); border-radius: 999px; padding: 3px 10px; font-size: 12px; cursor: pointer;
  background: var(--panel); color: var(--text-2); }
.chip .n { color: var(--muted); margin-left: 4px; font-variant-numeric: tabular-nums; }
.chip.on { background: var(--accent-soft); color: var(--accent-text); border-color: var(--accent); }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.toolbar .divider { width: 1px; height: 22px; background: var(--border); }
.toolbar .spacer { flex: 1; }

/* ---------- cards and tiles */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 14px; }
.tile { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.tile .label { font-size: 12px; color: var(--text-2); }
.tile .value { font-size: 24px; font-weight: 620; margin-top: 2px; letter-spacing: -0.01em; }
.tile .note { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; padding: 1px 8px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-2); background: var(--panel-2); white-space: nowrap; }
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.badge.good .dot { background: var(--good); } .badge.good { color: var(--good-text); background: var(--good-soft); }
.badge.bad .dot { background: var(--bad); } .badge.bad { color: var(--bad); background: var(--bad-soft); }
.badge.warn .dot { background: var(--warn); } .badge.warn { color: var(--warn-text); background: var(--warn-soft); }
.tierdot { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 6px; vertical-align: 0; }
.t-fast { background: var(--series-1); } .t-normal { background: var(--series-2); } .t-smart { background: var(--series-3); }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 12px; font-size: 12.5px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-word; }
.reasons { margin: 0; padding-left: 18px; } .reasons li { margin: 3px 0; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.barlist { display: grid; gap: 7px; }
.barlist .row { display: grid; grid-template-columns: minmax(90px, 160px) 1fr auto; gap: 10px; align-items: center; font-size: 12.5px; }
.barlist .track { height: 8px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.barlist .fill { height: 100%; background: var(--accent); border-radius: 0 4px 4px 0; }
.barlist .val { color: var(--text-2); font-variant-numeric: tabular-nums; min-width: 64px; text-align: right; }
pre.snippet { background: var(--panel-2); border: 1px solid var(--border); border-radius: 7px; padding: 10px 12px;
  overflow-x: auto; margin: 6px 0 14px; white-space: pre; }
.snip-head { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.snip-head h3 { margin: 0; flex: 1; }
.mini-wrap { overflow-x: auto; margin-top: 10px; }
table.mini { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.mini th { text-align: left; font-size: 11px; font-weight: 600; color: var(--text-2); padding: 4px 8px;
  border-bottom: 1px solid var(--border); white-space: nowrap; }
table.mini td { padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.mini td.r, table.mini th.r { text-align: right; font-variant-numeric: tabular-nums; }
.secret { font-family: var(--mono); background: var(--warn-soft); border: 1px solid var(--warn); padding: 10px; border-radius: 7px;
  word-break: break-all; user-select: all; }

/* ---------- charts */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 11px; font-family: var(--font); font-variant-numeric: tabular-nums; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--text-2); margin: 2px 0 8px; flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.charttip { position: fixed; pointer-events: none; z-index: 60; background: var(--tip-bg); color: var(--tip-text);
  border-radius: 7px; padding: 7px 10px; font-size: 12px; box-shadow: var(--shadow-strong); min-width: 120px; }
.charttip .t { font-weight: 620; margin-bottom: 3px; }
.charttip .r { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.charttip .r i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; margin-right: 6px; }
.chart .hover-band { fill: var(--text); opacity: 0; }
.chart .hover-band:hover { opacity: .04; }

/* ---------- data table (dashboard-table-ux) */
.dt-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.dt-topscroll { height: 14px; overflow-x: auto; overflow-y: hidden; position: sticky; top: 0; z-index: 4; background: var(--panel);
  border-radius: var(--radius) var(--radius) 0 0; }
.dt-topscroll div { height: 1px; }
.dt-scroll { overflow: auto; max-height: calc(100vh - 230px); }
.dt { border-collapse: separate; border-spacing: 0; table-layout: fixed; width: max-content; min-width: 100%; }
.dt th { position: sticky; top: 0; z-index: 2; background: var(--header-bg); height: 18px; font-size: 11px; line-height: 16px;
  font-weight: 600; color: var(--text-2); text-align: left; padding: 1px 8px; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; border-bottom: 1px solid var(--border); cursor: grab; user-select: none; }
.dt.nosticky th { position: relative; }
.dt th.dragging { opacity: .5; cursor: grabbing; }
.dt th.drop { box-shadow: inset 4px 0 0 var(--accent); }
.dt th .rz { position: absolute; right: 0; top: 0; width: 6px; height: 100%; cursor: col-resize; }
.dt th .rz:hover, .dt th .rz.on { background: var(--accent); }
.dt th.rownum, .dt td.rownum { position: sticky; left: 0; z-index: 3; width: 40px; text-align: right; color: var(--muted); cursor: pointer; }
.dt td.rownum { z-index: 1; background: var(--panel); font-size: 11px; }
.dt td { height: 40px; padding: 4px 8px; font-size: 12.5px; line-height: 1.35; border-bottom: 1px solid var(--border);
  vertical-align: middle; overflow: hidden; }
.dt td .clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  word-break: break-word; overflow-wrap: anywhere; }
.dt td.short { white-space: nowrap; text-overflow: ellipsis; }
.dt td.r { text-align: right; font-variant-numeric: tabular-nums; }
.dt tbody tr:hover td { background: var(--row-hover); }
.dt tbody tr.clickable { cursor: pointer; }
.dt td.editable { cursor: pointer; }
.dt td.editable:hover { background: var(--row-edit); box-shadow: inset 0 0 0 1px var(--accent-soft); }
.dt td.readonly { cursor: default; }
.dt td .nil { color: var(--muted); font-style: italic; }
.dt td.flash-good { background: var(--good-soft) !important; transition: background .6s; }
.dt tr.flash-bad td { background: var(--bad-soft) !important; transition: background 1s; }
.dt-foot { font-size: 11.5px; color: var(--muted); padding: 7px 10px; border-top: 1px solid var(--border);
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.dt-foot .spacer { flex: 1; }
.colpop { position: absolute; z-index: 50; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 8px;
  box-shadow: var(--shadow-strong); padding: 8px; min-width: 200px; max-height: 360px; overflow: auto; }
.colpop label { display: flex; gap: 8px; padding: 3px 4px; font-size: 12.5px; align-items: center; }
.colpop hr { border: 0; border-top: 1px solid var(--border); margin: 6px 0; }
.tip { position: fixed; z-index: 70; pointer-events: none; background: var(--tip-bg); color: var(--tip-text); border-radius: 7px;
  padding: 7px 10px; font-size: 12px; max-width: 320px; box-shadow: var(--shadow-strong); }
.tip .ty { opacity: .7; font-size: 11px; margin-top: 3px; }
.pop { position: fixed; z-index: 65; pointer-events: none; background: var(--panel); color: var(--text); border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 9px 11px; font-size: 12.5px; max-width: 380px; max-height: 380px; overflow: hidden;
  box-shadow: var(--shadow-strong); white-space: pre-wrap; word-break: break-word; }

/* ---------- modal & toast */
.modal-back { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); z-index: 80; display: grid; place-items: center; padding: 16px; }
.modal { background: var(--panel); border-radius: 12px; box-shadow: var(--shadow-strong); width: min(560px, 100%);
  max-height: 90vh; overflow: auto; border: 1px solid var(--border); }
.modal.wide { width: min(820px, 100%); }
.modal .mh { padding: 16px 18px 6px; } .modal .mh .s { color: var(--muted); font-size: 12px; margin-top: 2px; }
.modal .mb { padding: 8px 18px; display: grid; gap: 12px; }
.modal .mf { padding: 12px 18px 16px; display: flex; gap: 8px; justify-content: flex-end; align-items: center; }
.modal .mf .orig { flex: 1; color: var(--muted); font-size: 11.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.modal .err { color: var(--bad); font-size: 12px; min-height: 16px; }
.modal .counter { color: var(--muted); font-size: 11px; text-align: right; }
.multi { display: flex; flex-wrap: wrap; gap: 6px; }
#toast { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: grid; gap: 8px; }
.toast { background: var(--panel); border: 1px solid var(--border-strong); border-left: 4px solid var(--muted); border-radius: 8px;
  padding: 9px 14px; box-shadow: var(--shadow-strong); font-size: 12.5px; max-width: 380px; }
.toast.good { border-left-color: var(--good); } .toast.bad { border-left-color: var(--bad); }
.price-grid { display: grid; grid-template-columns: 90px repeat(3, 1fr); gap: 6px 8px; align-items: center; font-size: 12px; }
.price-grid input { width: 100%; }
.matrix { border-collapse: separate; border-spacing: 6px; width: 100%; }
.matrix th { font-size: 11.5px; color: var(--muted); font-weight: 600; text-align: left; }
.matrix td { background: var(--panel-2); border-radius: 7px; padding: 8px 10px; font-size: 12px; vertical-align: top; }
.matrix td b { display: block; font-weight: 620; }
.probs { display: grid; gap: 5px; }
.probs .row { display: grid; grid-template-columns: 80px 1fr 48px; gap: 8px; align-items: center; font-size: 12px; }
.answer { white-space: pre-wrap; background: var(--panel-2); border-radius: 7px; padding: 12px; max-height: 420px; overflow: auto; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; grid-template-rows: auto 1fr; align-items: start; }
  .nav { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-content: flex-start; align-items: center;
    padding: 8px; border-right: 0; border-bottom: 1px solid var(--border); }
  .nav .spacer, .nav .foot, .nav .group { display: none; }
  .nav .search { width: 100%; }
  .brand { padding: 4px 8px; width: 100%; }
  main { padding: 16px; }
  .g2, .g3 { grid-template-columns: minmax(0, 1fr); }
  .kv { grid-template-columns: 110px 1fr; }
}

/* ---------- explorer */
.nav .group { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 12px 10px 4px; font-weight: 650; }
.nav .search { padding: 0 4px 6px; }
.nav .search input { width: 100%; font-size: 12.5px; padding: 5px 8px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; padding: 10px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.filters select, .filters input { font-size: 12.5px; padding: 4px 8px; }
.filters .clear { font-size: 12px; }
.filters label.inline { display: inline-flex; gap: 5px; align-items: center; font-size: 12px; color: var(--text-2); }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin: 6px 0 14px; flex-wrap: wrap; }
.tabs a { padding: 7px 12px; color: var(--text-2); border-bottom: 2px solid transparent; font-weight: 540; font-size: 12.5px; }
.tabs a:hover { text-decoration: none; color: var(--text); }
.tabs a.on { color: var(--accent-text); border-bottom-color: var(--accent); }
.tabs .n { color: var(--muted); font-weight: 400; margin-left: 4px; }
.session-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; align-items: start; }
.outline { position: sticky; top: 12px; max-height: calc(100vh - 24px); overflow: auto; background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 6px; }
.outline a { display: block; padding: 6px 8px; border-radius: 6px; color: var(--text); font-size: 12px; line-height: 1.35; }
.outline a:hover { background: var(--row-hover); text-decoration: none; }
.outline a .m { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
.outline a.on { background: var(--accent-soft); }
.turn { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; box-shadow: var(--shadow); }
.turn-head { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.turn-head .row1 { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 12px; color: var(--text-2); }
.turn-head .row1 b { color: var(--text); font-size: 13px; }
.prompt { white-space: pre-wrap; word-break: break-word; margin-top: 8px; font-size: 13.5px; line-height: 1.5;
  background: var(--accent-soft); border-radius: 8px; padding: 10px 12px; }
.turn-body { padding: 4px 14px 12px; }
.step { border-left: 2px solid var(--border); margin: 10px 0 0 2px; padding: 0 0 2px 12px; }
.step-meta { display: flex; gap: 6px 10px; flex-wrap: wrap; align-items: center; font-size: 11.5px; color: var(--muted); margin-bottom: 6px; }
.step-meta .model { color: var(--text-2); font-weight: 600; }
.step-meta a { font-size: 11.5px; }
.part { margin: 6px 0; }
.answer-text { white-space: pre-wrap; word-break: break-word; line-height: 1.55; font-size: 13px; }
.answer-text pre.code, .md pre.code { background: var(--panel-2); border: 1px solid var(--border); border-radius: 7px; padding: 8px 10px;
  overflow-x: auto; white-space: pre; font-size: 12px; margin: 6px 0; }
.answer-text code, .md code { background: var(--panel-2); border-radius: 4px; padding: 0 4px; font-family: var(--mono); font-size: 12px; }
.answer-text .h { font-weight: 650; margin-top: 6px; }
details.fold { border: 1px solid var(--border); border-radius: 7px; background: var(--panel-2); margin: 6px 0; }
details.fold > summary { cursor: pointer; padding: 6px 10px; font-size: 12px; color: var(--text-2); list-style: none; user-select: none; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: "▸ "; color: var(--muted); }
details.fold[open] > summary::before { content: "▾ "; }
details.fold .fold-body { padding: 4px 10px 10px; white-space: pre-wrap; word-break: break-word; font-size: 12.5px; max-height: 520px; overflow: auto; }
details.fold.reasoning .fold-body { color: var(--text-2); font-style: italic; }
.reasoning-open { white-space: pre-wrap; word-break: break-word; font-size: 12.5px; color: var(--text-2); font-style: italic;
  background: var(--panel-2); border-radius: 7px; padding: 8px 10px; }
.tool { border: 1px solid var(--border); border-radius: 7px; margin: 6px 0; overflow: hidden; }
.tool-head { display: flex; gap: 8px; align-items: center; padding: 6px 10px; background: var(--panel-2); font-size: 12px; flex-wrap: wrap; }
.tool-head .name { font-family: var(--mono); font-weight: 650; color: var(--text); }
.tool-head .sum { font-family: var(--mono); color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.tool pre { margin: 0; padding: 8px 10px; font-size: 11.5px; overflow: auto; max-height: 420px; white-space: pre-wrap; word-break: break-word; }
.tool .result { border-top: 1px dashed var(--border); }
.tool .result.err { background: var(--bad-soft); }
.tool .diff-old { background: var(--bad-soft); }
.tool .diff-new { background: var(--good-soft); }
.event { text-align: center; font-size: 11.5px; color: var(--muted); margin: 10px 0; border-top: 1px dashed var(--border); padding-top: 6px; }
.thumbs { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0; }
.thumbs img { width: 120px; height: 90px; object-fit: contain; background: #fff; border: 1px solid var(--border); border-radius: 6px; cursor: zoom-in; }
.strip { display: flex; align-items: flex-end; gap: 1px; height: 64px; overflow-x: auto; padding: 4px 0; }
.strip i { display: block; width: 8px; min-width: 8px; border-radius: 2px 2px 0 0; cursor: pointer; }
.strip .gap { width: 6px; min-width: 6px; }
.badge.kind { background: var(--accent-soft); color: var(--accent-text); border-color: transparent; }
.result-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 8px; cursor: pointer; }
.result-card:hover { border-color: var(--accent); }
.result-card .snip { white-space: pre-wrap; word-break: break-word; font-size: 12.5px; margin-top: 4px; }
mark { background: var(--warn-soft); color: inherit; padding: 0 1px; border-radius: 3px; }
.matrix-cell div { font-size: 11.5px; white-space: nowrap; }
.json { white-space: pre; overflow: auto; max-height: 560px; font-size: 11.5px; background: var(--panel-2); border-radius: 7px; padding: 8px 10px; }
@media (max-width: 860px) {
  .session-layout { grid-template-columns: minmax(0, 1fr); }
  .outline { position: static; max-height: 220px; }
}