/* Roboda Design Studio — console styles.
   Vanilla CSS, no imports, no external fonts. Light + dark.
   [A8] app/web/studio.css */

/* ── tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg:        #eef0f3;
  --panel:     #ffffff;
  --panel-2:   #f6f7f9;
  --panel-3:   #eaecf0;
  --line:      #d3d8de;
  --line-soft: #e4e8ed;
  --text:      #12171d;
  --text-2:    #4a5560;
  --muted:     #6d7885;
  --accent:    #b45309;
  --accent-2:  #d97706;
  --accent-ink:#ffffff;
  --ok:        #15803d;
  --ok-bg:     #e7f6ec;
  --warn:      #a16207;
  --warn-bg:   #fdf3d7;
  --fail:      #b91c1c;
  --fail-bg:   #fdeaea;
  --info:      #1d4ed8;
  --shadow:    0 1px 2px rgba(16,24,32,.08), 0 8px 24px rgba(16,24,32,.06);
  --radius:    6px;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --topbar-h: 52px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0c0f13;
    --panel:     #14181e;
    --panel-2:   #191e25;
    --panel-3:   #20262e;
    --line:      #2a323b;
    --line-soft: #212830;
    --text:      #e7ecf2;
    --text-2:    #b3bdc8;
    --muted:     #8794a2;
    --accent:    #f59e0b;
    --accent-2:  #fbbf24;
    --accent-ink:#1a1206;
    --ok:        #4ade80;
    --ok-bg:     #10281a;
    --warn:      #fbbf24;
    --warn-bg:   #2c2310;
    --fail:      #f87171;
    --fail-bg:   #2e1414;
    --info:      #93b4ff;
    --shadow:    0 1px 2px rgba(0,0,0,.5), 0 10px 30px rgba(0,0,0,.4);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg:        #0c0f13;
  --panel:     #14181e;
  --panel-2:   #191e25;
  --panel-3:   #20262e;
  --line:      #2a323b;
  --line-soft: #212830;
  --text:      #e7ecf2;
  --text-2:    #b3bdc8;
  --muted:     #8794a2;
  --accent:    #f59e0b;
  --accent-2:  #fbbf24;
  --accent-ink:#1a1206;
  --ok:        #4ade80;
  --ok-bg:     #10281a;
  --warn:      #fbbf24;
  --warn-bg:   #2c2310;
  --fail:      #f87171;
  --fail-bg:   #2e1414;
  --info:      #93b4ff;
  --shadow:    0 1px 2px rgba(0,0,0,.5), 0 10px 30px rgba(0,0,0,.4);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:        #eef0f3;
  --panel:     #ffffff;
  --panel-2:   #f6f7f9;
  --panel-3:   #eaecf0;
  --line:      #d3d8de;
  --line-soft: #e4e8ed;
  --text:      #12171d;
  --text-2:    #4a5560;
  --muted:     #6d7885;
  --accent:    #b45309;
  --accent-2:  #d97706;
  --accent-ink:#ffffff;
  --ok:        #15803d;
  --ok-bg:     #e7f6ec;
  --warn:      #a16207;
  --warn-bg:   #fdf3d7;
  --fail:      #b91c1c;
  --fail-bg:   #fdeaea;
  --info:      #1d4ed8;
  color-scheme: light;
}

* { box-sizing: border-box; }

/* author display rules (grid/flex) would otherwise beat the UA [hidden] rule */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 var(--sans);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: .01em; }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .09em; color: var(--text-2); }
h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-2); }
p { margin: 0 0 .5rem; }
a { color: var(--info); }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 1px;
  border-radius: 3px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: var(--accent-ink); padding: 8px 12px;
}
.skip:focus { left: 8px; top: 8px; }

.hint  { color: var(--muted); font-size: 11px; }
.empty { color: var(--muted); font-size: 12px; padding: 10px 2px; }
.mono, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ── top bar ────────────────────────────────────────────────────────── */
.topbar {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 14px;
  height: var(--topbar-h);
  padding: 0 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: relative; z-index: 30;
}

.brand { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.logo { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-size: 13px; font-weight: 800; letter-spacing: .16em; }
.brand-sub  { font-size: 9px; letter-spacing: .18em; color: var(--muted); }

.ident { display: flex; flex-direction: column; min-width: 0; line-height: 1.15; }
.design-title { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.design-slug  { font-family: var(--mono); font-size: 10px; color: var(--muted); }

.status { display: flex; gap: 6px; align-items: center; flex: 1 1 auto; min-width: 0; overflow: hidden; }

.pill {
  font-family: var(--mono); font-size: 11px; white-space: nowrap;
  padding: 3px 8px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--panel-2); color: var(--text-2);
}
.pill.s-ok   { border-color: var(--ok);   color: var(--ok);   background: var(--ok-bg); }
.pill.s-warn { border-color: var(--warn); color: var(--warn); background: var(--warn-bg); }
.pill.s-fail { border-color: var(--fail); color: var(--fail); background: var(--fail-bg); }
.pill-dirty  { border-color: var(--accent); color: var(--accent); background: transparent; font-weight: 700; }
.pill.working { border-style: dashed; }
body.busy { cursor: progress; }
td.changed-val { color: var(--accent); font-weight: 650; }

.actions { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.whoami { font-size: 11px; color: var(--muted); max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── buttons + fields ───────────────────────────────────────────────── */
.btn {
  font: inherit; font-size: 12px; line-height: 1;
  padding: 7px 10px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--panel-3); border-color: var(--muted); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 650; }
.btn-primary:hover:not(:disabled) { background: var(--accent-2); border-color: var(--accent-2); }
.btn-sm { padding: 5px 8px; font-size: 11px; }
.btn-icon { padding: 6px; }
.btn-icon svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.btn-icon svg .fill { fill: currentColor; stroke: none; }
.count {
  font-family: var(--mono); font-size: 10px; background: var(--accent);
  color: var(--accent-ink); border-radius: 999px; padding: 1px 5px; min-width: 16px; text-align: center;
}
.count.zero { background: var(--line); color: var(--muted); }

.field {
  font: inherit; font-size: 12px;
  padding: 5px 7px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0; width: 100%;
}
.field-sm { padding: 4px 6px; font-size: 11px; width: auto; }
.field:focus { border-color: var(--accent-2); }
.field[aria-invalid="true"] { border-color: var(--fail); background: var(--fail-bg); }
.lbl { font-size: 11px; color: var(--text-2); }
.row { display: flex; gap: 6px; align-items: center; margin: 6px 0; }

/* ── banner ─────────────────────────────────────────────────────────── */
.banner {
  flex: 0 0 auto;
  background: var(--fail-bg);
  border-bottom: 1px solid var(--fail);
  color: var(--fail);
  padding: 8px 12px;
  font-size: 12px;
  max-height: 30vh; overflow: auto;
}
.banner strong { color: var(--fail); }
.banner ul { margin: 4px 0 0; padding-left: 18px; }
.banner li { margin: 2px 0; }
.banner .bk { font-family: var(--mono); font-weight: 700; }
.banner .bsev { opacity: .75; font-size: 11px; }
/* no critical failure and no calculation error: amber, still impossible to miss */
.banner.warn {
  background: var(--warn-bg); border-bottom-color: var(--warn); color: var(--warn);
}
.banner.warn strong { color: var(--warn); }
.banner li.b-major { opacity: .95; }

/* ── unsaved-changes drawer ─────────────────────────────────────────── */
.drawer {
  flex: 0 0 auto;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  max-height: 40vh; display: flex; flex-direction: column;
}
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-bottom: 1px solid var(--line-soft);
}
.drawer-actions { display: flex; gap: 6px; }
.drawer-body { overflow: auto; padding: 6px 12px 10px; }

.difftable { width: 100%; border-collapse: collapse; font-size: 12px; }
.difftable th { text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 4px 8px 4px 0; font-weight: 600; }
.difftable td { padding: 3px 8px 3px 0; border-top: 1px solid var(--line-soft); vertical-align: top; }
.difftable .k { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.old { font-family: var(--mono); color: var(--muted); text-decoration: line-through; }
.new { font-family: var(--mono); color: var(--accent); font-weight: 650; }
.arrow { color: var(--muted); padding: 0 4px; }

/* ── workspace layout ───────────────────────────────────────────────── */
.workspace {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr) 360px;
  gap: 1px;
  background: var(--line);
}

.pane {
  background: var(--bg);
  min-width: 0; min-height: 0;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.pane-left, .pane-right { background: var(--panel); }

.pane-head {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.pane-head-tools { display: flex; gap: 6px; align-items: center; min-width: 0; }
.pane-head-tools .field { width: 130px; }
.pane-body { flex: 1 1 auto; overflow: auto; }

/* ── parameter editor ───────────────────────────────────────────────── */
.pgroup { border-bottom: 1px solid var(--line-soft); }
.pgroup > summary {
  cursor: pointer; list-style: none;
  padding: 7px 10px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--text-2); font-weight: 700;
  display: flex; align-items: center; gap: 8px;
  background: var(--panel-2);
  position: sticky; top: 0; z-index: 2;
}
.pgroup > summary .gcount { margin-left: auto; }
.pgroup > summary::-webkit-details-marker { display: none; }
.pgroup > summary::before {
  content: "▸"; color: var(--muted); font-size: 10px; margin-right: 6px;
}
.pgroup[open] > summary::before { content: "▾"; }
.pgroup > summary .gcount { font-family: var(--mono); font-size: 10px; color: var(--muted); text-transform: none; letter-spacing: 0; }
.pgroup > summary .gdirty { color: var(--accent); font-family: var(--mono); font-size: 10px; }

.prow {
  display: grid;
  grid-template-columns: 1fr 106px;
  gap: 4px 8px;
  align-items: center;
  padding: 5px 10px 6px;
  border-top: 1px solid var(--line-soft);
}
.prow:first-child { border-top: 0; }
.prow.changed { background: color-mix(in srgb, var(--accent) 9%, transparent); }
.prow.invalid { background: var(--fail-bg); }
.prow .plabel { font-size: 12px; color: var(--text); display: flex; align-items: baseline; gap: 5px; min-width: 0; }
.prow .ptext { cursor: pointer; }
.prow .plabel .pkey { font-family: var(--mono); font-size: 10px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
.prow .pctl { display: flex; align-items: center; gap: 4px; justify-self: end; width: 100%; }
.prow input[type="number"], .prow input[type="text"], .prow select {
  font-family: var(--mono); font-size: 12px; text-align: right;
  padding: 4px 5px; width: 100%;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 4px;
}
.prow select { text-align: left; }
.prow input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.prow .punit { font-family: var(--mono); font-size: 10px; color: var(--muted); min-width: 26px; }
.prow .prange { grid-column: 1 / -1; display: flex; align-items: center; gap: 6px; }
.prow input[type="range"] { flex: 1 1 auto; accent-color: var(--accent); height: 14px; }
.prow .plim { font-family: var(--mono); font-size: 9px; color: var(--muted); }
.prow .pmsg { grid-column: 1 / -1; font-size: 11px; color: var(--fail); }
.prow .preset {
  border: 0; background: transparent; color: var(--accent); cursor: pointer;
  font-size: 11px; padding: 0 2px; line-height: 1;
}
.prow .phelp { font-size: 11px; color: var(--muted); grid-column: 1 / -1; }

/* ── tabs ───────────────────────────────────────────────────────────── */
.tabs {
  flex: 0 0 auto;
  display: flex; gap: 0; overflow-x: auto;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.tab {
  font: inherit; font-size: 12px; font-weight: 600;
  padding: 10px 13px;
  background: transparent; color: var(--muted);
  border: 0; border-bottom: 2px solid transparent;
  cursor: pointer; white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.tab .badge {
  font-family: var(--mono); font-size: 9px; margin-left: 5px;
  padding: 1px 4px; border-radius: 3px; background: var(--panel-3); color: var(--muted);
}

.panels { flex: 1 1 auto; min-height: 0; display: flex; }
.panel { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 12px; display: block; }
.panel[hidden] { display: none; }

.section-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin: 16px 0 8px;
  border-bottom: 1px solid var(--line-soft); padding-bottom: 5px;
}

.toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; flex-wrap: wrap; margin-bottom: 10px;
}
.toolbar-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.stale {
  font-size: 10px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--warn); border: 1px dashed var(--warn); border-radius: 3px; padding: 2px 6px;
}

/* ── headline cards ─────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); gap: 8px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 10px; min-width: 0;
}
.card .clabel { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card .cval { font-family: var(--mono); font-size: 19px; font-weight: 650; line-height: 1.25; }
.card .cunit { font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 3px; }
.card .cdelta { font-family: var(--mono); font-size: 10px; }
.card .cdelta.up { color: var(--ok); }
.card .cdelta.down { color: var(--fail); }
.card.s-fail { border-color: var(--fail); }
.card.s-warn { border-color: var(--warn); }

/* ── check chips ────────────────────────────────────────────────────── */
.chips { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 6px; }
.chip {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); overflow: hidden;
}
.chip > summary {
  cursor: pointer; list-style: none; padding: 6px 8px;
  display: flex; align-items: center; gap: 6px; font-size: 12px;
}
.chip > summary::-webkit-details-marker { display: none; }
.chip .dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; background: var(--muted); }
.chip .clab { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip .cnum { font-family: var(--mono); font-size: 11px; color: var(--text-2); white-space: nowrap; }
.chip .cbody { padding: 0 8px 8px 22px; font-size: 11px; color: var(--text-2); }
.chip.pass  { border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); }
.chip.pass  .dot { background: var(--ok); }
.chip.warn  { border-color: var(--warn); background: var(--warn-bg); }
.chip.warn  .dot { background: var(--warn); }
.chip.fail  { border-color: var(--fail); background: var(--fail-bg); }
.chip.fail  .dot { background: var(--fail); }
.chip.fail .clab { font-weight: 650; }

/* ── quantity tables ────────────────────────────────────────────────── */
.qgroup { margin-bottom: 12px; }
.qgroup > summary {
  cursor: pointer; list-style: none;
  font-size: 11px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-2); font-weight: 700; padding: 5px 0;
  border-bottom: 1px solid var(--line-soft);
}
.qgroup > summary::-webkit-details-marker { display: none; }

table.data { width: 100%; border-collapse: collapse; font-size: 12px; }
table.data th {
  text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 600; padding: 5px 6px;
  border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 1;
}
table.data td { padding: 4px 6px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
table.data tbody tr:hover { background: var(--panel-2); }
table.data td.n { font-family: var(--mono); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
table.data td.f { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
table.data td.u { color: var(--muted); font-family: var(--mono); font-size: 11px; }
tr.s-fail td { background: var(--fail-bg); }
tr.s-warn td { background: var(--warn-bg); }
.fos { font-family: var(--mono); font-size: 11px; }
.fos.bad { color: var(--fail); font-weight: 700; }
.fos.good { color: var(--ok); }
.table-wrap { overflow-x: auto; }

.msgblock { margin-top: 14px; }
.msglist { margin: 4px 0; padding-left: 18px; font-size: 12px; }
.msglist.warn li { color: var(--warn); }
.msglist.err li { color: var(--fail); }

/* ── drawings ───────────────────────────────────────────────────────── */
.seg { display: flex; flex-wrap: wrap; gap: 4px; }
.seg button {
  font: inherit; font-size: 11px; padding: 5px 8px; cursor: pointer;
  background: var(--panel-2); color: var(--text-2);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.seg button[aria-selected="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 650; }

.stage {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px; min-height: 320px; overflow: auto; cursor: zoom-in;
}
.stage svg { width: 100%; height: auto; display: block; max-width: 100%; }

/* ── BOM ────────────────────────────────────────────────────────────── */
.totals { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; }
.total-item { display: flex; flex-direction: column; }
.total-item .tlabel { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.total-item .tval { font-family: var(--mono); font-size: 16px; font-weight: 650; }
.tag {
  font-family: var(--mono); font-size: 9px; padding: 1px 4px; border-radius: 3px;
  border: 1px solid var(--line); color: var(--muted);
}
.tag.auto { border-color: var(--accent); color: var(--accent); }

/* ── document ───────────────────────────────────────────────────────── */
.doc {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; max-width: 60rem; font-size: 13px; line-height: 1.55;
  overflow-wrap: break-word;
}
.doc h1 { font-size: 20px; margin: 18px 0 10px; text-transform: none; letter-spacing: 0; }
.doc h2 { font-size: 16px; margin: 20px 0 8px; text-transform: none; letter-spacing: 0; color: var(--text); border-bottom: 1px solid var(--line-soft); padding-bottom: 4px; }
.doc h3 { font-size: 14px; margin: 16px 0 6px; text-transform: none; letter-spacing: 0; color: var(--text); }
.doc h4 { font-size: 13px; margin: 12px 0 4px; }
.doc p { margin: 0 0 10px; }
.doc ul, .doc ol { margin: 0 0 10px; padding-left: 22px; }
.doc li { margin: 2px 0; }
.doc code { font-family: var(--mono); font-size: 11.5px; background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: 3px; padding: 0 3px; }
.doc pre {
  font-family: var(--mono); font-size: 11.5px; background: var(--panel-2);
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 10px; overflow-x: auto; margin: 0 0 12px;
}
.doc pre code { background: none; border: 0; padding: 0; }
.doc blockquote { margin: 0 0 12px; padding: 6px 12px; border-left: 3px solid var(--accent); background: var(--panel-2); color: var(--text-2); }
.doc table { width: 100%; border-collapse: collapse; font-size: 12px; margin: 0 0 12px; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 4px 7px; text-align: left; vertical-align: top; }
.doc th { background: var(--panel-2); font-weight: 650; }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }

/* ── memory ─────────────────────────────────────────────────────────── */
.mem-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: 16px; align-items: start; }
.mem-ingest h3, .mem-search h3 { margin-bottom: 6px; }
.dropzone {
  border: 1.5px dashed var(--line); border-radius: var(--radius);
  padding: 16px; text-align: center; color: var(--muted); cursor: pointer;
  background: var(--panel);
}
.dropzone svg { width: 26px; height: 26px; fill: none; stroke: var(--muted); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.dropzone.over { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, var(--panel)); }
.dropzone.over svg { stroke: var(--accent); }
.dropzone p { margin: 4px 0 0; font-size: 12px; }

.upload-list { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.upl { border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 8px; background: var(--panel); font-size: 11px; }
.upl .uname { font-family: var(--mono); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar { height: 4px; background: var(--panel-3); border-radius: 2px; overflow: hidden; margin-top: 4px; }
.bar > span { display: block; height: 100%; width: 0; background: var(--accent); }
.upl.done .bar > span { background: var(--ok); }
.upl.err  .bar > span { background: var(--fail); }
.upl .ustate { color: var(--muted); }
.upl.err .ustate { color: var(--fail); }

.src-list { display: flex; flex-direction: column; gap: 4px; max-height: 320px; overflow: auto; }
.src {
  display: flex; align-items: baseline; gap: 6px;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 5px 7px;
  background: var(--panel); font-size: 12px;
}
.src .stitle { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.src.inactive { opacity: .5; }

.mem-results { display: flex; flex-direction: column; gap: 8px; }
.hit { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 8px 10px; }
.hit .hhead { display: flex; gap: 8px; align-items: baseline; font-size: 11px; color: var(--muted); }
.hit .hsrc { color: var(--text); font-weight: 650; }
.hit .hbody { font-size: 12px; margin-top: 4px; line-height: 1.5; }
.hit mark { background: color-mix(in srgb, var(--accent) 32%, transparent); color: inherit; padding: 0 1px; border-radius: 2px; }
.hit .hscore { font-family: var(--mono); }

/* ── history ────────────────────────────────────────────────────────── */
.revsel { display: flex; gap: 4px; }
.revsel label { font-family: var(--mono); font-size: 10px; color: var(--muted); display: inline-flex; align-items: center; gap: 2px; }
tr.current td { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.revnote { color: var(--text-2); }

/* ── chat ───────────────────────────────────────────────────────────── */
.chat-log { flex: 1 1 auto; overflow: auto; padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.msg { border: 1px solid var(--line); border-radius: var(--radius); padding: 7px 9px; background: var(--panel-2); font-size: 12px; }
.msg .who { font-size: 9px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 3px; }
.msg .body { white-space: pre-wrap; overflow-wrap: break-word; }
.msg.user { background: color-mix(in srgb, var(--accent) 10%, var(--panel)); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.msg.error { background: var(--fail-bg); border-color: var(--fail); color: var(--fail); }
.msg.system { background: var(--panel); color: var(--muted); }
.msg .cursor { animation: blink 1s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }

.tool { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); font-size: 11px; }
.tool > summary {
  cursor: pointer; list-style: none; padding: 5px 8px;
  display: flex; align-items: center; gap: 6px; font-family: var(--mono);
}
.tool > summary::-webkit-details-marker { display: none; }
.tool .tname { font-weight: 700; }
.tool .tstate { margin-left: auto; font-size: 10px; color: var(--muted); }
.tool.ok  .tstate { color: var(--ok); }
.tool.err { border-color: var(--fail); }
.tool.err .tstate { color: var(--fail); }
.tool pre {
  margin: 0; padding: 6px 8px; border-top: 1px solid var(--line-soft);
  font-family: var(--mono); font-size: 10.5px; white-space: pre-wrap;
  overflow-wrap: break-word; max-height: 260px; overflow: auto; color: var(--text-2);
}

.composer { flex: 0 0 auto; border-top: 1px solid var(--line); padding: 8px; background: var(--panel); }
.composer textarea {
  width: 100%; resize: vertical; min-height: 42px; max-height: 40vh;
  font: inherit; font-size: 12px; padding: 6px 7px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.composer-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 6px; }

/* ── dialogs ────────────────────────────────────────────────────────── */
.dlg {
  border: 1px solid var(--line); border-radius: 8px; padding: 0;
  background: var(--panel); color: var(--text); box-shadow: var(--shadow);
  max-width: min(1400px, 96vw);
}
.dlg::backdrop { background: rgba(4, 7, 10, .62); }
.dlg-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 12px; border-bottom: 1px solid var(--line); font-size: 13px;
}
.dlg-actions { display: flex; align-items: center; gap: 5px; }
.dlg-body { padding: 12px; }
.dlg-foot { display: flex; justify-content: flex-end; gap: 6px; padding: 10px 12px; border-top: 1px solid var(--line); }
.dlg-zoom { width: 96vw; height: 92vh; }
.dlg-zoom .dlg-body { height: calc(92vh - 44px); overflow: auto; padding: 0; background: var(--panel-2); }
#zoom-body svg { display: block; margin: 0 auto; }
.zoom-level { font-family: var(--mono); font-size: 11px; color: var(--muted); min-width: 42px; text-align: center; }
.save-warning {
  border: 1px solid var(--fail); background: var(--fail-bg); color: var(--fail);
  border-radius: var(--radius); padding: 8px; font-size: 12px; margin-bottom: 10px;
}
.save-warning ul { margin: 4px 0 0; padding-left: 18px; }
/* nothing critical is failing, but something is: amber rather than red */
.save-warning.major-only {
  border-color: var(--warn); background: var(--warn-bg); color: var(--warn);
}

/* ── gate + toasts ──────────────────────────────────────────────────── */
.gate {
  position: fixed; inset: 0; z-index: 90;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  display: flex; align-items: center; justify-content: center;
}
.gate[hidden] { display: none; }
.gate-box {
  background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 22px 26px; text-align: center; box-shadow: var(--shadow); max-width: 420px;
}
.gate-box h2 { text-transform: none; letter-spacing: 0; font-size: 16px; color: var(--text); margin-bottom: 6px; }

/* sign-in form */
.login-box { text-align: left; width: min(92vw, 380px); }
.login-note { font-size: 12px; color: var(--muted); margin: 0 0 14px; }
.login-row { display: block; margin-bottom: 10px; }
.login-row[hidden] { display: none; }
.login-row > span {
  display: block; font-size: 11px; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); margin-bottom: 4px;
}
.login-row > input {
  width: 100%; box-sizing: border-box; font: inherit; padding: 7px 9px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.login-row > input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-error {
  font-size: 12px; color: var(--fail); background: var(--fail-bg);
  border: 1px solid var(--fail); border-radius: var(--radius);
  padding: 6px 8px; margin: 0 0 10px;
}
.login-error[hidden] { display: none; }
#login-submit { width: 100%; }

.toasts { position: fixed; right: 12px; bottom: 12px; z-index: 95; display: flex; flex-direction: column; gap: 6px; max-width: 380px; }
.toast {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 8px 10px; font-size: 12px; box-shadow: var(--shadow);
}
.toast.err { border-left-color: var(--fail); color: var(--fail); }
.toast.ok  { border-left-color: var(--ok); }

/* ── responsive ─────────────────────────────────────────────────────── */
@media (max-width: 1280px) {
  .workspace { grid-template-columns: 300px minmax(0, 1fr) 320px; }
}

/* Chat becomes an overlay drawer */
@media (max-width: 1080px) {
  .workspace { grid-template-columns: 290px minmax(0, 1fr); }
  .pane-right {
    position: fixed; top: var(--topbar-h); right: 0; bottom: 0; width: min(420px, 92vw);
    z-index: 40; border-left: 1px solid var(--line); box-shadow: var(--shadow);
    transform: translateX(101%); transition: transform .16s ease-out;
  }
  .pane-right.open { transform: translateX(0); }
  .chat-close { display: inline-flex; }
}
@media (min-width: 1081px) {
  .chat-close { display: none; }
  .pane-right { transform: none; }
}

@media (max-width: 820px) {
  body { overflow: auto; }
  .topbar { height: auto; flex-wrap: wrap; padding: 6px 8px; gap: 8px; row-gap: 6px; }
  .ident { order: 3; flex-basis: 100%; }
  .status { order: 4; flex-basis: 100%; }
  .actions { margin-left: auto; }
  .whoami { display: none; }
  .workspace { display: block; overflow: visible; }
  .pane { overflow: visible; }
  .pane-left { border-bottom: 1px solid var(--line); max-height: 52vh; }
  .pane-left .pane-body { max-height: 42vh; }
  .panels { display: block; }
  .panel { overflow: visible; }
  .pane-right { top: 0; }
  .mem-grid { grid-template-columns: minmax(0, 1fr); }
  .cards { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); }
  .dlg-zoom { width: 100vw; height: 100vh; max-width: 100vw; border-radius: 0; }
  .dlg-zoom .dlg-body { height: calc(100vh - 46px); }
  .pane-head-tools .field { width: 110px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

@media print {
  .topbar, .pane-left, .pane-right, .tabs, .toolbar, .drawer, .toasts { display: none !important; }
  body, .workspace, .panel { display: block; overflow: visible; height: auto; }
}