/* PaperTrail — warm scholarly theme: paper, ink, teal accents. */

:root {
  --paper: #f5f1e8;
  --panel: #fffcf6;
  --panel-dim: #efe9dc;
  --ink: #221d15;
  --ink-soft: #4a4336;
  --muted: #857a68;
  --line: #e0d8c8;
  --line-strong: #cfc4ae;
  --accent: #0e6b5c;
  --accent-soft: #e2efec;
  --accent-ink: #0a4a40;
  --amber: #9a5b0b;
  --amber-soft: #f7ead3;
  --plum: #6d28d9;
  --plum-soft: #ede4fb;
  --err: #b3372e;
  --err-soft: #f7e2df;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow: 0 1px 2px rgba(60, 48, 24, 0.08), 0 4px 14px rgba(60, 48, 24, 0.07);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(14, 107, 92, 0.06), transparent 60%),
    var(--paper);
  display: flex;
  flex-direction: column;
}

/* ---------- header ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--line-strong);
  background: var(--panel);
  flex: 0 0 auto;
}
.brand { display: flex; align-items: baseline; gap: 9px; }
.brand-mark { width: 26px; height: 26px; align-self: center; border-radius: 7px; }
.brand-name { font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.brand-sub { color: var(--muted); font-size: 12px; font-style: italic; font-family: var(--serif); }
.ws-title-wrap { flex: 1; min-width: 0; display: flex; justify-content: center; }
#ws-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 4px 12px;
  border-radius: 8px;
  border: 1px dashed transparent;
  max-width: 420px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
#ws-title:hover, #ws-title:focus { border-color: var(--line-strong); outline: none; background: var(--panel-dim); }
.topbar-actions { display: flex; align-items: center; gap: 8px; }

.status-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-dim);
  color: var(--muted);
  white-space: nowrap;
}
.chip-live { background: var(--accent-soft); color: var(--accent-ink); border-color: #bcd8d1; }
.chip-preview { background: var(--amber-soft); color: var(--amber); border-color: #e4cf9f; }

/* ---------- buttons & controls ---------- */

.btn {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 9px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-outline { background: var(--panel); border-color: var(--line-strong); color: var(--ink-soft); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--panel-dim); color: var(--ink); }
.btn-xs { padding: 3px 9px; font-size: 12px; border-radius: 7px; }
.icon-btn {
  background: none; border: none; cursor: pointer; color: var(--muted);
  font-size: 12px; padding: 2px 5px; border-radius: 6px; visibility: hidden;
}
.icon-btn:hover { background: var(--panel-dim); color: var(--err); }
.note:hover .icon-btn, .artifact:hover .icon-btn, .card:hover .card-x { visibility: visible; }
.linklike { background: none; border: none; color: var(--accent-ink); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }

.menu-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 30;
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 10px;
  box-shadow: var(--shadow); overflow: hidden; min-width: 130px;
}
.menu button {
  display: block; width: 100%; text-align: left; padding: 9px 14px;
  background: none; border: none; font: inherit; font-size: 13px; cursor: pointer;
}
.menu button:hover { background: var(--accent-soft); }

/* ---------- banner ---------- */

.banner {
  padding: 9px 18px;
  background: var(--amber-soft);
  border-bottom: 1px solid #e4cf9f;
  color: #6b4a12;
  font-size: 13px;
  display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap;
}
.banner code { font-family: var(--mono); font-size: 12px; background: rgba(255,255,255,0.6); padding: 1px 5px; border-radius: 5px; }

/* ---------- layout ---------- */

.layout {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 400px;
  min-height: 0;
}

/* ---------- left rail ---------- */

.rail { overflow-y: auto; background: var(--panel); min-height: 0; }
.rail-left { border-right: 1px solid var(--line); padding: 14px; }
.rail-right { border-left: 1px solid var(--line); padding: 0 0 30px; }

.search-form { display: flex; flex-direction: column; gap: 8px; }
.search-form input[type="search"] {
  width: 100%; padding: 9px 12px; font: inherit;
  border: 1px solid var(--line-strong); border-radius: 10px; background: #fff;
}
.search-form input[type="search"]:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.search-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.year-label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.year-label input { width: 64px; padding: 4px 6px; border: 1px solid var(--line); border-radius: 7px; font: inherit; font-size: 12px; }
.search-status { margin-top: 8px; font-size: 12px; color: var(--muted); font-style: italic; }

.block-head { display: flex; align-items: baseline; justify-content: space-between; margin: 18px 0 8px; }
.block-head h3 { margin: 0; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }
.hint { color: var(--muted); font-size: 12px; font-weight: 400; text-transform: none; letter-spacing: 0; }
.hint.tiny { font-size: 11px; }
.pad { padding: 0 16px; }
.pad-x { padding: 0 4px; margin: 4px 0 8px; }

.inbox-list { display: flex; flex-direction: column; gap: 6px; }
.inbox-item {
  display: flex; gap: 8px; align-items: center; justify-content: space-between;
  padding: 8px 10px; background: #fff; border: 1px solid var(--line); border-radius: 10px;
}
.inbox-main { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.inbox-title { font-family: var(--serif); font-size: 13px; font-weight: 600; line-height: 1.3; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.inbox-meta { font-size: 11px; color: var(--muted); }
.inbox-actions { display: flex; gap: 4px; flex-shrink: 0; }

.prompt-list { display: flex; flex-direction: column; gap: 6px; }
.prompt-chip {
  text-align: left; font: inherit; font-size: 12.5px; line-height: 1.4;
  padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; cursor: pointer; color: var(--ink-soft);
  display: flex; justify-content: space-between; gap: 8px; align-items: center;
  transition: border-color 0.15s, background 0.15s;
}
.prompt-chip:hover { border-color: var(--accent); background: var(--accent-soft); }
.prompt-chip.copied { border-color: var(--accent); background: var(--accent-soft); }
.copy-glyph { color: var(--muted); font-size: 12px; flex-shrink: 0; }

/* ---------- board ---------- */

.board {
  overflow-x: auto; overflow-y: hidden;
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px;
  background: transparent;
}
.column {
  flex: 0 0 272px;
  background: var(--panel-dim);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex; flex-direction: column;
  max-height: calc(100% - 4px);
}
.col-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px 4px; }
.col-title {
  margin: 0; font-family: var(--serif); font-size: 15px; font-weight: 700;
  padding: 2px 6px; border-radius: 6px; border: 1px dashed transparent; outline: none;
}
.col-title:hover, .col-title:focus { border-color: var(--line-strong); background: var(--panel); }
.col-count { font-size: 11px; font-weight: 700; color: var(--muted); background: var(--panel); padding: 2px 8px; border-radius: 999px; }
.col-body { padding: 8px 10px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; min-height: 60px; flex: 1 1 auto; }
.col-body.over { outline: 2px dashed var(--accent); outline-offset: -4px; border-radius: 10px; background: var(--accent-soft); }
.col-foot { text-align: center; font-size: 11px; color: var(--line-strong); padding: 4px 0 10px; }

.add-section {
  flex: 0 0 200px; align-self: stretch; min-height: 120px;
  border: 1.5px dashed var(--line-strong); border-radius: 14px; background: none;
  color: var(--muted); font: inherit; font-size: 13px; cursor: pointer;
}
.add-section:hover { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-soft); }

.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 10px 12px 10px;
  box-shadow: 0 1px 2px rgba(60, 48, 24, 0.06);
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.card:hover { box-shadow: var(--shadow); border-color: var(--line-strong); }
.card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
@keyframes remote-land {
  0% { box-shadow: 0 0 0 3px var(--accent); background: var(--accent-soft); transform: translateY(-2px); }
  100% { box-shadow: 0 1px 2px rgba(60, 48, 24, 0.06); background: var(--panel); transform: none; }
}
.card.remote-land { animation: remote-land 1.6s ease-out; }
.card.dragging { opacity: 0.45; }
.card-x {
  position: absolute; top: 8px; right: 8px;
  visibility: hidden; background: none; border: none; color: var(--muted); cursor: pointer; font-size: 11px; padding: 2px 5px; border-radius: 5px;
}
.card-x:hover { color: var(--err); background: var(--err-soft); }
.who { font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 7px; border-radius: 999px; }
.who-agent { background: var(--accent-soft); color: var(--accent-ink); }
.who-human { background: var(--plum-soft); color: var(--plum); }
.card-title { margin: 2px 0 4px; font-family: var(--serif); font-size: 13.5px; font-weight: 600; line-height: 1.32; }
.card-meta { margin: 0 0 2px; font-size: 11.5px; color: var(--ink-soft); }
.card-meta.dim { color: var(--muted); font-style: italic; }
.card-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 7px; }

.chip {
  font-size: 10.5px; font-weight: 600; color: var(--ink-soft);
  background: var(--panel-dim); border: 1px solid var(--line);
  padding: 2px 8px; border-radius: 999px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 190px;
}
.chip-cite { color: var(--muted); }
.chip-notes { background: var(--accent-soft); color: var(--accent-ink); border-color: #bcd8d1; }
.chip-link { cursor: pointer; font: inherit; font-size: 10.5px; font-weight: 600; color: var(--accent-ink); background: var(--accent-soft); border: 1px solid #bcd8d1; padding: 2px 8px; border-radius: 999px; max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip-link:hover { border-color: var(--accent); }

.empty { padding: 26px 20px; text-align: center; color: var(--muted); font-size: 13px; }
.empty.small { padding: 14px 10px; font-size: 12px; }

/* ---------- inspector ---------- */

.tabs { display: flex; gap: 2px; padding: 10px 14px 0; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); z-index: 5; }
.tab {
  font: inherit; font-size: 13px; font-weight: 600; color: var(--muted);
  background: none; border: none; border-bottom: 2.5px solid transparent;
  padding: 8px 12px 9px; cursor: pointer;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--accent-ink); border-bottom-color: var(--accent); }
.tab-body { padding: 14px 16px; }

.paper-head { margin-bottom: 10px; }
.paper-title { margin: 0 0 6px; font-family: var(--serif); font-size: 18px; line-height: 1.3; font-weight: 700; }
.paper-meta { margin: 0 0 3px; font-size: 12.5px; color: var(--ink-soft); }
.paper-meta.dim { color: var(--muted); font-style: italic; }
.paper-links { display: flex; gap: 6px; margin-top: 8px; }

.abstract { margin: 10px 0; font-size: 13px; }
.abstract summary { cursor: pointer; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); }
.abstract p { margin: 8px 0 0; color: var(--ink-soft); line-height: 1.55; }

.notes-head { margin: 14px 0 8px; }
.notes-head h3 { margin: 0; font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-soft); }
.note-list { display: flex; flex-direction: column; gap: 8px; }
.note { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; }
.note-head { display: flex; align-items: center; gap: 8px; }
.note-head .note-actions { margin-left: auto; display: flex; gap: 2px; }
.note-type { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.t-summary { color: var(--accent-ink); }
.t-method { color: var(--plum); }
.t-finding { color: #9a5b0b; }
.t-limitation { color: var(--err); }
.t-connection { color: #1d4ed8; }
.t-question { color: #6b21a8; }
.note-content { margin: 6px 0 2px; font-size: 13px; line-height: 1.5; color: var(--ink-soft); }
.note-edit textarea { width: 100%; min-height: 70px; font: inherit; font-size: 13px; padding: 8px; border: 1px solid var(--line-strong); border-radius: 8px; margin-top: 6px; }
.row-end { display: flex; justify-content: flex-end; gap: 6px; margin-top: 6px; }

.badge { font-size: 10.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; }
.badge-agent { background: var(--accent-soft); color: var(--accent-ink); }
.badge-human { background: var(--plum-soft); color: var(--plum); }
.badge-demo { background: var(--amber-soft); color: var(--amber); }
.badge-err { background: var(--err-soft); color: var(--err); }

.note-form { margin-top: 12px; display: flex; flex-direction: column; gap: 7px; }
.note-form .row { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.note-form select { font: inherit; font-size: 13px; padding: 5px 8px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; }
.note-form textarea { width: 100%; min-height: 64px; resize: vertical; font: inherit; font-size: 13px; padding: 9px; border: 1px solid var(--line-strong); border-radius: 9px; }
.note-form textarea:focus, .note-edit textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }

/* ---------- artifacts ---------- */

.artifact { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 12px; }
.artifact-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.artifact-head h4 { margin: 0; font-family: var(--serif); font-size: 14.5px; flex: 1; min-width: 120px; }
.artifact-head [data-del-art] { visibility: hidden; }
.artifact:hover .artifact-head [data-del-art] { visibility: visible; }
.artifact-kind { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 2px 8px; border-radius: 999px; }
.k-comparison { background: var(--plum-soft); color: var(--plum); }
.k-gaps { background: var(--amber-soft); color: var(--amber); }
.k-draft { background: var(--accent-soft); color: var(--accent-ink); }
.k-summary { background: var(--panel-dim); color: var(--ink-soft); }
.artifact-body { font-size: 13px; }
.artifact-sources { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 9px; }
.verify-result { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-top: 7px; }
.verify-chip { font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; max-width: 100%; overflow-wrap: anywhere; }
.v-ok { background: var(--accent-soft); color: var(--accent-ink); }
.v-drift { background: var(--amber-soft); color: var(--amber); }
.v-bad { background: var(--err-soft); color: var(--err); }

.md h3, .md h4, .md h5 { font-family: var(--serif); margin: 8px 0 6px; }
.md h3 { font-size: 15px; } .md h4 { font-size: 14px; } .md h5 { font-size: 13px; }
.md p { line-height: 1.55; color: var(--ink-soft); margin: 6px 0; }
.md ul, .md ol { margin: 6px 0; padding-left: 20px; }
.md li { line-height: 1.5; color: var(--ink-soft); }
.md blockquote { margin: 8px 0; padding: 4px 12px; border-left: 3px solid var(--line-strong); color: var(--muted); font-style: italic; }
.md code { font-family: var(--mono); font-size: 11.5px; background: var(--panel-dim); padding: 1px 5px; border-radius: 5px; }
.md table { border-collapse: collapse; width: 100%; margin: 8px 0; font-size: 12px; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--line); padding: 5px 8px; text-align: left; vertical-align: top; }
.md th { background: var(--panel-dim); font-weight: 700; }
.md hr { border: none; border-top: 1px solid var(--line); margin: 10px 0; }

/* ---------- provenance ---------- */

.prov { margin-top: 8px; }
.prov summary { cursor: pointer; font-size: 11.5px; color: var(--accent-ink); font-weight: 600; user-select: none; }
.prov-body { margin-top: 6px; padding: 8px 10px; background: var(--panel-dim); border-radius: 8px; font-size: 12px; }
.prov-pre {
  font-family: var(--mono); font-size: 10.5px; background: #fff; border: 1px solid var(--line);
  border-radius: 6px; padding: 7px 9px; overflow-x: auto; max-height: 180px; margin: 6px 0;
}
.prov-sum { color: var(--ink-soft); }

/* ---------- activity ---------- */

.call { border: 1px solid var(--line); border-radius: 10px; padding: 8px 11px; margin-bottom: 8px; background: #fff; }
.call-err { border-color: #e4b6b1; background: #fdf7f6; }
.call-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.call-tool { font-size: 12px; font-weight: 600; color: var(--accent-ink); }
.mono { font-family: var(--mono); }
.call-head .hint { margin-left: auto; }
.call details { margin-top: 4px; }
.call details summary { font-size: 11px; color: var(--muted); cursor: pointer; }
.call-sum { font-size: 12px; color: var(--ink-soft); margin-top: 5px; }
.call .prov-pre { max-height: 140px; }

/* ---------- demo dialog ---------- */

dialog#demo-dialog {
  border: 1px solid var(--line-strong); border-radius: 16px; padding: 0;
  width: min(640px, 92vw); max-height: 85vh; box-shadow: var(--shadow);
  background: var(--panel); color: var(--ink);
}
dialog#demo-dialog::backdrop { background: rgba(34, 29, 21, 0.45); }
.demo-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px 0; }
.demo-head h2 { margin: 0; font-family: var(--serif); font-size: 19px; }
.demo-head .icon-btn { visibility: visible; font-size: 14px; }
dialog .hint { padding: 6px 20px 0; line-height: 1.5; }
.demo-form { display: flex; gap: 8px; padding: 14px 20px 4px; }
.demo-form input { flex: 1; font: inherit; padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 9px; background: #fff; }
.demo-log {
  margin: 12px 20px 20px; padding: 12px 14px; border-radius: 10px;
  background: #201b13; color: #e8e2d4; font-family: var(--mono); font-size: 11.5px;
  min-height: 220px; max-height: 46vh; overflow-y: auto; line-height: 1.7;
}
.demo-line { white-space: pre-wrap; word-break: break-word; }
.demo-line .dim { color: #9a917e; }
.demo-line .err { color: #f2a49b; }
.demo-line .mono { color: #7fd0bf; font-weight: 600; }
.demo-note { color: #fff; }

/* ---------- share & tools explorer & misc ---------- */

.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translate(-50%, 20px);
  background: var(--ink); color: var(--paper); font-size: 13px; font-weight: 500;
  padding: 11px 18px; border-radius: 10px; box-shadow: var(--shadow);
  opacity: 0; transition: opacity 0.25s, transform 0.25s; z-index: 100; pointer-events: none;
  max-width: min(560px, 90vw);
  display: flex; gap: 14px; align-items: center;
}
.toast-qr { width: 110px; height: 110px; image-rendering: pixelated; background: #fff; padding: 5px; border-radius: 8px; flex: 0 0 auto; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.pulse-strip {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  padding: 5px 18px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.pulse-label {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent-ink); background: var(--accent-soft); border: 1px solid #bcd8d1;
  padding: 2px 9px; border-radius: 999px; margin-right: 6px; cursor: pointer;
}
.pulse-label:hover { border-color: var(--accent); }

/* ---------- replay dialog ---------- */

#replay-dialog {
  border: 1px solid var(--line-strong); border-radius: 16px; padding: 0;
  width: min(760px, 94vw); max-height: 88vh; box-shadow: var(--shadow);
  background: var(--panel); color: var(--ink); overflow: hidden;
}
#replay-dialog::backdrop { background: rgba(34, 29, 21, 0.5); }
.rp-hint { padding: 20px; color: var(--muted); }
.rp-controls { display: flex; align-items: center; gap: 12px; padding: 12px 20px 4px; }
.rp-controls input[type="range"] { flex: 1; accent-color: var(--accent); }
.rp-legend { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
#replay-board { padding: 12px 20px 20px; }
.rp-title-line { font-family: var(--serif); font-weight: 700; font-size: 16px; margin-bottom: 10px; }
.rp-cols { display: flex; gap: 10px; align-items: flex-start; }
.rp-col {
  flex: 1; min-width: 0; background: var(--panel-dim); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px; min-height: 120px; max-height: 44vh; overflow-y: auto;
}
.rp-col-title { font-family: var(--serif); font-weight: 700; font-size: 13px; margin-bottom: 6px; }
.rp-card {
  display: flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--line);
  border-radius: 8px; padding: 5px 8px; margin-bottom: 5px; font-size: 11.5px;
}
.rp-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.rp-notes { color: var(--accent-ink); font-size: 10px; }
.rp-empty { color: var(--line-strong); text-align: center; font-size: 11px; padding: 10px 0; }
.rp-arts { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.rp-art {
  font-size: 11.5px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 5px 9px;
}
.rp-kind { font-size: 9.5px; font-weight: 700; text-transform: uppercase; color: var(--plum); margin-right: 4px; }
.rp-now {
  display: flex; align-items: center; gap: 8px; margin-top: 12px; padding: 9px 12px;
  background: #fff; border: 1px solid var(--line); border-radius: 9px; font-size: 12.5px; color: var(--ink-soft);
}
.rp-step { margin-left: auto; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.rp-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; display: inline-block; }
.pulse-dot {
  width: 9px; height: 9px; border-radius: 50%; border: none; padding: 0; cursor: pointer;
  flex: 0 0 auto;
}
.p-agent { background: var(--accent); }
.p-demo-agent { background: var(--amber); }
.p-human { background: var(--plum); }
.p-fail { box-shadow: 0 0 0 2px var(--err-soft), 0 0 0 3px var(--err); }
.pulse-dot:hover { transform: scale(1.4); }

.inbox-query { margin: -2px 0 8px; font-size: 11.5px; color: var(--muted); font-style: italic; }
.inbox-tag {
  margin: 0 0 6px; font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--amber);
}
.badge-read { background: var(--accent-soft); color: var(--accent-ink); }
.badge-write { background: var(--plum-soft); color: var(--plum); }
.badge-untrusted { background: var(--amber-soft); color: var(--amber); }

#tools-dialog {
  border: 1px solid var(--line-strong); border-radius: 16px; padding: 0;
  width: min(680px, 92vw); max-height: 85vh; box-shadow: var(--shadow);
  background: var(--panel); color: var(--ink); overflow: hidden;
}
#tools-dialog::backdrop { background: rgba(34, 29, 21, 0.45); }
.tools-list { margin: 12px 20px 20px; overflow-y: auto; max-height: 58vh; }
.tool-entry { border: 1px solid var(--line); border-radius: 10px; background: #fff; margin-bottom: 7px; }
.tool-entry summary {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px;
  cursor: pointer; list-style: none; font-size: 13px;
}
.tool-entry summary::-webkit-details-marker { display: none; }
.tool-entry summary::after { content: '▾'; margin-left: auto; color: var(--muted); }
.tool-entry[open] summary::after { content: '▴'; }
.tool-name { font-weight: 600; color: var(--accent-ink); }
.tool-desc { font-size: 12.5px; line-height: 1.5; color: var(--ink-soft); margin: 8px 12px 4px; }
.tool-entry .prov-pre { margin: 6px 12px 12px; }

/* readability fixes: contrast, focus visibility, long-token overflow */
.col-foot { color: #a89a7e; }
.card-title, .inbox-title, .note-content, .paper-title { overflow-wrap: anywhere; }
.card:focus-within .card-x, .note:focus-within .note-actions .icon-btn,
.artifact:focus-within .artifact-head .icon-btn { visibility: visible; }
.card-x:focus-visible, .icon-btn:focus-visible, .btn:focus-visible, .tab:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
.hint { color: #6f6455; }

/* ---------- scrollbars ---------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 8px; border: 2px solid var(--paper); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .layout { grid-template-columns: 280px minmax(0, 1fr); }
  .rail-right { display: none; }
}