:root {
  --ink: #15221d;
  --muted: #627069;
  --faint: #89948e;
  --paper: #f6f8f5;
  --surface: #ffffff;
  --surface-2: #eef2ee;
  --line: #dce4de;
  --line-dark: #b8c4bc;
  --accent: #175c43;
  --accent-2: #0d4532;
  --accent-soft: #e0efe7;
  --amber: #8a5a00;
  --amber-soft: #fff1cc;
  --blue: #245a7d;
  --blue-soft: #e6f1f8;
  --purple: #684c8d;
  --purple-soft: #f0eafa;
  --red: #8d3535;
  --red-soft: #fbe9e7;
  --shadow: 0 20px 60px rgba(25, 45, 34, .13);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% -20%, rgba(130, 170, 146, .15), transparent 34%),
    linear-gradient(180deg, #fbfcfa 0%, var(--paper) 100%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
}
button, input, textarea, select { font: inherit; }
button { color: inherit; }
a { color: var(--accent); }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.topbar {
  height: 68px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 0 28px;
  border-bottom: 1px solid rgba(184, 196, 188, .7);
  background: rgba(250, 252, 249, .9);
  backdrop-filter: blur(18px);
  position: relative;
  z-index: 20;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: white;
  font-weight: 800;
  letter-spacing: -.04em;
  font-size: 13px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
}
.brand strong { display: block; font-size: 14px; letter-spacing: -.01em; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
.topbar-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}
.model-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line-dark); box-shadow: 0 0 0 4px rgba(184,196,188,.2); }
.model-dot.online { background: #2a8a5e; box-shadow: 0 0 0 4px rgba(42,138,94,.13); }
.divider { width: 1px; height: 13px; background: var(--line-dark); margin: 0 4px; }
.top-actions { justify-self: end; display: flex; align-items: center; gap: 4px; }
.ghost, .icon-button {
  border: 0;
  background: transparent;
  border-radius: 9px;
  cursor: pointer;
  font-size: 12px;
  padding: 9px 11px;
}
.ghost:hover, .icon-button:hover { background: var(--surface-2); }
.icon-button { width: 36px; height: 36px; padding: 0; font-size: 17px; }

.workspace { height: calc(100vh - 68px); }
.investigation {
  max-width: 1000px;
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding: 0 28px 18px;
}
.case-header {
  padding: 23px 8px 13px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}
.case-header h1 { margin: 3px 0 0; font-size: 20px; letter-spacing: -.035em; font-weight: 700; }
.eyebrow { margin: 0; color: var(--faint); font-size: 10px; font-weight: 750; letter-spacing: .13em; }
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  background: var(--surface-2);
  color: var(--muted);
}
.status-pill.collecting { background: var(--amber-soft); color: var(--amber); }
.status-pill.narrowed { background: var(--blue-soft); color: var(--blue); }
.status-pill.isolated { background: var(--purple-soft); color: var(--purple); }
.status-pill.confirmed { background: var(--accent-soft); color: var(--accent); }
.status-pill.insufficient_evidence, .status-pill.no_fault_found { background: var(--red-soft); color: var(--red); }

.conversation {
  min-height: 0;
  overflow-y: auto;
  padding: 22px 8px 34px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-dark) transparent;
}
.empty-state {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 42px 0 50px;
}
.empty-symbol { height: 44px; display: flex; align-items: center; gap: 6px; margin-bottom: 24px; }
.empty-symbol span { display: block; width: 7px; border-radius: 999px; background: var(--accent); }
.empty-symbol span:nth-child(1) { height: 21px; opacity: .45; }
.empty-symbol span:nth-child(2) { height: 42px; }
.empty-symbol span:nth-child(3) { height: 29px; opacity: .7; }
.empty-state h1 { margin: 10px 0 12px; font-size: clamp(31px, 5vw, 48px); line-height: 1.03; letter-spacing: -.055em; }
.empty-copy { max-width: 690px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.starter-grid { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 30px; }
.starter-grid button {
  min-height: 92px;
  padding: 16px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.72);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.starter-grid button:hover { transform: translateY(-2px); border-color: var(--line-dark); box-shadow: 0 10px 25px rgba(24,49,35,.07); }
.starter-grid strong { display: block; margin-bottom: 6px; font-size: 13px; }
.starter-grid span { color: var(--muted); font-size: 11px; line-height: 1.45; }
.trust-line { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-top: 24px; color: var(--faint); font-size: 10px; }
.trust-line span::before { content: "✓"; margin-right: 5px; color: var(--accent); font-weight: 900; }

.message { margin-bottom: 24px; }
.user-message { display: flex; justify-content: flex-end; }
.user-bubble {
  max-width: 76%;
  padding: 13px 16px;
  border-radius: 16px 16px 4px 16px;
  background: var(--ink);
  color: white;
  line-height: 1.55;
  font-size: 14px;
  white-space: pre-wrap;
}
.attachment-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.attachment-chip { padding: 5px 8px; border-radius: 8px; background: rgba(255,255,255,.12); font-size: 10px; color: rgba(255,255,255,.82); }
.assistant-message { display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 13px; }
.assistant-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 850;
}
.assistant-card { min-width: 0; }
.result-topline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 9px; }
.result-topline .run-meta { color: var(--faint); font-size: 10px; }
.assistant-card h2 { margin: 0 0 9px; font-size: 20px; letter-spacing: -.035em; }
.answer-copy { margin: 0; max-width: 820px; color: #26332d; line-height: 1.7; font-size: 14px; white-space: pre-wrap; }
.equipment-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}
.equipment-strip span { padding: 6px 9px; background: var(--surface-2); border-radius: 8px; color: var(--muted); font-size: 10px; }
.equipment-strip strong { color: var(--ink); font-weight: 700; }

.visual-board {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(27, 54, 39, .06);
}
.visual-board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfcfb, #f7f9f7);
}
.visual-board-header h3 { margin: 4px 0 0; font-size: 14px; letter-spacing: -.02em; }
.visual-board-header .eyebrow { margin: 0; }
.visual-header-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.visual-fidelity {
  flex: 0 0 auto;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  font-size: 8px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.visual-selection-confidence { flex: 0 0 auto; padding: 5px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 8px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.visual-selection-confidence.high { background: var(--accent-soft); color: var(--accent); }
.visual-selection-confidence.medium { background: var(--amber-soft); color: var(--amber); }
.visual-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 12px; border-bottom: 1px solid var(--line); background: var(--surface); }
.visual-layer-controls, .visual-view-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 5px; }
.visual-template-picker { display: flex; align-items: center; gap: 5px; color: var(--faint); font-size: 8px; font-weight: 750; }
.visual-template-picker select { max-width: 190px; min-height: 28px; border: 1px solid var(--line); border-radius: 7px; padding: 4px 24px 4px 7px; background: var(--surface); color: var(--muted); font-size: 8px; }
.visual-toolbar button { min-height: 28px; border: 1px solid var(--line); border-radius: 7px; padding: 5px 8px; background: var(--surface); color: var(--muted); cursor: pointer; font-size: 8px; font-weight: 700; }
.visual-toolbar button:hover, .visual-toolbar button:focus-visible { border-color: var(--line-dark); color: var(--ink); outline: 2px solid rgba(36, 116, 81, .16); outline-offset: 1px; }
.visual-layer-controls button.active { border-color: #91aa9c; background: var(--accent-soft); color: var(--accent); }
.visual-board-body { display: grid; grid-template-columns: minmax(0, 1fr); }
.visual-stage { min-width: 0; padding: 8px 14px 12px; border-bottom: 1px solid var(--line); background: #fbfcfb; }
.visual-canvas { width: 100%; aspect-ratio: 19 / 8.5; min-height: 320px; overflow: auto; overscroll-behavior: contain; }
.visual-canvas svg { display: block; width: 100%; height: 100%; }
.visual-canvas svg text { user-select: none; pointer-events: none; }
.visual-component { transition: opacity .15s ease; outline: none; }
.visual-component:hover { opacity: .78; }
.visual-component:focus, .visual-marker:focus { filter: drop-shadow(0 0 5px rgba(36, 103, 144, .8)); outline: none; }
.visual-legend { display: flex; flex-wrap: wrap; gap: 9px 12px; padding: 0 8px; color: var(--faint); font-size: 8px; }
.visual-legend span { display: inline-flex; align-items: center; gap: 5px; }
.visual-legend i { width: 10px; height: 10px; border-radius: 3px; background: var(--surface-2); border: 2px solid var(--line-dark); }
.visual-legend i.reported { background: #e2f1e9; border-color: #247451; }
.visual-legend i.inferred { background: #f3f5f3; border-style: dashed; border-color: #8a9890; }
.visual-legend i.observed { border-radius: 50%; background: #b43d36; border-color: #b43d36; }
.visual-legend i.test { border-radius: 50%; background: transparent; border-style: dashed; border-color: #6c4aa0; }
.visual-component-controls { display: flex; align-items: center; gap: 5px; overflow-x: auto; padding: 10px 7px 2px; color: var(--faint); scrollbar-width: thin; }
.visual-component-controls strong { flex: 0 0 auto; font-size: 8px; letter-spacing: .04em; text-transform: uppercase; }
.visual-component-controls button { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; background: var(--surface); color: var(--muted); cursor: pointer; font-size: 8px; }
.visual-component-controls button:hover, .visual-component-controls button.active { border-color: #8ba596; background: var(--accent-soft); color: var(--accent); }
.visual-inspector { min-width: 0; display: grid; grid-template-columns: minmax(220px, .75fr) minmax(260px, 1fr); grid-template-areas: "eyebrow meta" "title meta" "copy meta"; align-content: center; column-gap: 28px; padding: 16px 18px; background: var(--surface); }
.visual-inspector .eyebrow { margin: 0; color: var(--faint); }
.visual-inspector > .eyebrow { grid-area: eyebrow; }
.visual-inspector h4 { grid-area: title; margin: 7px 0 7px; font-size: 13px; line-height: 1.35; }
.visual-inspector > p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.visual-inspector > p:not(.eyebrow) { grid-area: copy; }
.visual-inspector-meta { grid-area: meta; display: grid; gap: 6px; margin: 0; padding-left: 20px; border-left: 1px solid var(--line); }
.visual-inspector-meta strong { margin-top: 7px; color: var(--ink); font-size: 9px; }
.visual-inspector-meta p { margin: 0; color: var(--muted); font-size: 9px; line-height: 1.48; }
.visual-verification { justify-self: start; padding: 4px 7px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 7px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.visual-verification.reported, .visual-verification.confirmed, .visual-verification.explicitly_reported, .visual-verification.directly_observed, .visual-verification.measured_at, .visual-verification.localized, .visual-verification.multi_component { background: var(--accent-soft); color: var(--accent); }
.visual-verification.image_inferred, .visual-verification.ambiguous { background: var(--amber-soft); color: var(--amber); }
.visual-verification.family_context, .visual-verification.unresolved { background: var(--surface-2); color: var(--muted); }
.visual-verification.leading { background: var(--amber-soft); color: var(--amber); }
.visual-verification.plausible { background: var(--blue-soft); color: var(--blue); }
.visual-verification.weakened, .visual-verification.excluded { background: var(--red-soft); color: var(--red); }
.visual-hypothesis-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; padding: 10px; border-top: 1px solid var(--line); background: #f8faf8; }
.visual-hypothesis-controls button { display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; align-items: center; gap: 8px; min-width: 0; padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); color: var(--muted); cursor: pointer; text-align: left; font-size: 9px; line-height: 1.35; }
.visual-hypothesis-controls button:hover, .visual-hypothesis-controls button.active { border-color: #a8bbae; color: var(--ink); background: #f1f7f3; }
.visual-hypothesis-controls button span { flex: 0 0 auto; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 6px; background: var(--surface-2); font-size: 8px; font-weight: 850; }
.visual-hypothesis-controls button strong { overflow: hidden; text-overflow: ellipsis; font-size: 9px; white-space: nowrap; }
.visual-hypothesis-controls button em { font-size: 7px; font-style: normal; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.visual-hypothesis-controls button.active span { background: var(--accent); color: white; }
.visual-disclaimer { margin: 0; padding: 9px 12px; border-top: 1px solid var(--line); color: var(--faint); background: #fbfcfb; font-size: 9px; line-height: 1.5; }
.visual-disclaimer strong { color: var(--muted); }
.visual-fallback { margin: 40px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.visual-match-reason { padding: 6px 8px; border-radius: 7px; background: #f6f8f6; color: var(--faint) !important; font-size: 8px !important; }
.visual-ambiguity { color: var(--amber) !important; font-weight: 750; }
.visual-evidence-links { display: flex; flex-wrap: wrap; gap: 5px; }
.visual-evidence-links button { border: 1px solid #a9c2b4; border-radius: 6px; padding: 4px 7px; background: var(--accent-soft); color: var(--accent); cursor: pointer; font-size: 8px; font-weight: 800; }
.visual-correction-button { justify-self: start; border: 1px solid #d8c5a9; border-radius: 7px; padding: 5px 8px; background: #fffaf3; color: var(--amber); cursor: pointer; font-size: 8px; font-weight: 800; }
.visual-correction-list { display: flex; flex-wrap: wrap; gap: 5px; }
.visual-inspector-observation { display: grid; grid-template-columns: 24px minmax(0, 1fr); align-items: start; gap: 7px; width: 100%; border: 0; border-radius: 7px; padding: 5px; background: transparent; color: var(--muted); cursor: pointer; text-align: left; font-size: 9px; line-height: 1.45; }
.visual-inspector-observation:hover { background: var(--surface-2); color: var(--ink); }
.visual-inspector-observation span { display: grid; place-items: center; min-height: 20px; border-radius: 5px; background: var(--red-soft); color: var(--red); font-size: 7px; font-weight: 850; }
.visual-unmapped { border-top: 1px solid var(--line); padding: 9px 12px; background: #fffaf3; }
.visual-unmapped summary { color: var(--amber); cursor: pointer; font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; }
.visual-unmapped > button { display: grid; grid-template-columns: 27px minmax(0, 1fr); gap: 8px; width: 100%; margin-top: 7px; border: 1px solid #eadac4; border-radius: 8px; padding: 7px; background: white; color: var(--muted); cursor: pointer; text-align: left; font-size: 9px; }
.visual-unmapped > button span { color: var(--amber); font-weight: 850; }
.visual-board:fullscreen { overflow: auto; padding: 18px; border-radius: 0; background: #f7f9f7; }
.visual-board:fullscreen .visual-canvas { min-height: 62vh; }

.hypothesis-section { margin-top: 19px; }
.section-label { margin-bottom: 8px; color: var(--faint); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.hypothesis-list { display: grid; gap: 7px; }
.hypothesis {
  display: grid;
  grid-template-columns: 28px minmax(0,1fr) auto;
  gap: 10px;
  align-items: start;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255,255,255,.72);
}
.hypothesis-rank { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 8px; background: var(--surface-2); font-size: 10px; font-weight: 800; }
.hypothesis strong { display: block; font-size: 12px; margin: 1px 0 4px; }
.hypothesis p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.48; }
.hypothesis-state { padding: 4px 7px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 8px; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; }
.hypothesis-state.leading, .hypothesis-state.confirmed { background: var(--accent-soft); color: var(--accent); }
.hypothesis-state.weakened, .hypothesis-state.excluded { background: var(--red-soft); color: var(--red); }

.next-test {
  margin-top: 16px;
  padding: 15px 16px;
  border: 1px solid #b9d4c4;
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: linear-gradient(135deg, #f5fbf7, #edf7f1);
}
.next-test .eyebrow { color: var(--accent); }
.next-test h3 { margin: 7px 0 7px; font-size: 14px; line-height: 1.4; }
.next-test p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.next-test-details { display: flex; gap: 12px; margin-top: 10px; font-size: 10px; color: var(--muted); }

.message-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; }
.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 9px;
  padding: 8px 10px;
  font-size: 10px;
  cursor: pointer;
}
.secondary-button:hover { border-color: var(--line-dark); background: var(--surface-2); }
.loading-card { padding: 13px 0; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.composer { padding: 8px 0 0; position: relative; }
.composer-row {
  display: grid;
  grid-template-columns: 42px minmax(0,1fr) 42px;
  gap: 8px;
  align-items: end;
  border: 1px solid var(--line-dark);
  border-radius: 18px;
  padding: 8px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 13px 38px rgba(26,50,37,.11);
}
.attach-button, .send-button { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; cursor: pointer; }
.attach-button { color: var(--muted); background: var(--surface-2); font-size: 22px; }
.attach-button:hover { color: var(--ink); }
.attach-button input { display: none; }
.send-button { border: 0; background: var(--accent); color: white; font-size: 22px; font-weight: 500; }
.send-button:hover { background: var(--accent-2); }
.send-button:disabled { opacity: .45; cursor: not-allowed; }
#prompt-input {
  resize: none;
  border: 0;
  outline: 0;
  min-height: 42px;
  max-height: 170px;
  padding: 10px 4px 8px;
  background: transparent;
  color: var(--ink);
  line-height: 1.5;
  font-size: 14px;
}
#prompt-input::placeholder { color: #929d97; }
.composer-footer { display: flex; justify-content: space-between; gap: 20px; padding: 7px 12px 0; color: var(--faint); font-size: 9px; }
.pending-files { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 10px 8px; }
.pending-file { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 6px 8px; font-size: 10px; }
.pending-file button { border: 0; background: none; cursor: pointer; color: var(--faint); padding: 0; }
.composer.drop-target .composer-row { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(23,92,67,.1); }

.backdrop { position: fixed; inset: 68px 0 0; z-index: 30; background: rgba(18,31,24,.28); backdrop-filter: blur(2px); }
.side-panel {
  position: fixed;
  z-index: 40;
  top: 68px;
  bottom: 0;
  width: min(390px, 92vw);
  background: var(--surface);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto minmax(0,1fr);
}
.side-panel.left { left: 0; border-right: 1px solid var(--line); }
.side-panel.right { right: 0; border-left: 1px solid var(--line); }
.side-panel.wide-panel { width: min(690px, 96vw); }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 22px 22px 18px; border-bottom: 1px solid var(--line); }
.panel-header h2 { margin: 4px 0 0; font-size: 20px; letter-spacing: -.03em; }
.panel-body { min-height: 0; overflow-y: auto; padding: 20px 22px 30px; }
.primary { border: 0; background: var(--accent); color: white; border-radius: 10px; padding: 11px 14px; font-weight: 700; font-size: 11px; cursor: pointer; }
.primary:hover { background: var(--accent-2); }
.wide { width: 100%; }
.case-list { display: grid; gap: 7px; margin-top: 17px; }
.case-item { width: 100%; text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 11px; padding: 12px; cursor: pointer; }
.case-item:hover, .case-item.active { border-color: #a3b9ab; background: #f6faf7; }
.case-item strong { display: block; font-size: 12px; line-height: 1.4; }
.case-item span { display: flex; justify-content: space-between; gap: 10px; margin-top: 7px; color: var(--faint); font-size: 9px; }

.basis-summary { padding: 16px; border-radius: 13px; background: var(--surface-2); }
.basis-summary h3 { margin: 0 0 7px; font-size: 16px; }
.basis-summary p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }
.ledger-item.evidence-focus { border-color: #78a58d; background: var(--accent-soft); box-shadow: 0 0 0 3px rgba(36, 116, 81, .1); }
.basis-section { margin-top: 24px; }
.basis-section > h3 { margin: 0 0 10px; font-size: 12px; letter-spacing: -.01em; }
.ledger-list { display: grid; gap: 8px; }
.ledger-item { border: 1px solid var(--line); border-radius: 11px; padding: 12px; }
.ledger-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.ledger-title strong { font-size: 11px; }
.ledger-title span { color: var(--faint); font-size: 9px; }
.ledger-item p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.55; white-space: pre-wrap; }
pre.json {
  max-height: 360px;
  overflow: auto;
  margin: 8px 0 0;
  padding: 11px;
  border-radius: 9px;
  background: #18231e;
  color: #dfeae3;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.lookup-link { display: block; padding: 10px 11px; margin-bottom: 7px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; }
.lookup-link strong { display: block; font-size: 11px; color: var(--ink); }
.lookup-link span { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.integrity-result { margin-top: 9px; padding: 11px; border-radius: 9px; background: var(--surface-2); font-size: 10px; line-height: 1.5; }

.settings-form, .upload-form { display: grid; align-content: start; gap: 15px; }
.settings-form label, .upload-form label { display: grid; gap: 6px; color: var(--muted); font-size: 10px; font-weight: 650; }
.settings-form input, .upload-form input, .upload-form select, .upload-form textarea {
  width: 100%;
  border: 1px solid var(--line-dark);
  border-radius: 9px;
  padding: 10px 11px;
  background: var(--surface);
  color: var(--ink);
  outline: 0;
  font-size: 12px;
}
.settings-form input:focus, .upload-form input:focus, .upload-form select:focus, .upload-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(23,92,67,.09); }
.danger-link { border: 0; background: none; color: var(--red); cursor: pointer; font-size: 10px; }
.fine-print { color: var(--faint); font-size: 9px; line-height: 1.55; }
.knowledge-toolbar { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.knowledge-stats { color: var(--muted); font-size: 10px; }
.source-list { display: grid; gap: 8px; margin-top: 16px; }
.source-card { border: 1px solid var(--line); border-radius: 11px; padding: 12px; }
.source-card header { display: flex; justify-content: space-between; gap: 10px; }
.source-card h3 { margin: 0; font-size: 12px; }
.source-card p { margin: 6px 0 0; color: var(--muted); font-size: 9px; line-height: 1.5; }
.source-card footer { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.source-state { font-size: 8px; text-transform: uppercase; font-weight: 800; letter-spacing: .07em; color: var(--faint); }
.claim-list { display: grid; gap: 8px; margin-top: 12px; }
.claim-card { border: 1px solid var(--line); border-radius: 10px; padding: 11px; }
.claim-card p { margin: 0 0 8px; font-size: 10px; line-height: 1.5; }
.claim-actions { display: flex; gap: 6px; }
.approve, .reject { border: 1px solid var(--line); background: white; border-radius: 7px; padding: 6px 8px; font-size: 9px; cursor: pointer; }
.approve:hover { border-color: var(--accent); color: var(--accent); }
.reject:hover { border-color: var(--red); color: var(--red); }

.access-gate { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(20,31,25,.65); backdrop-filter: blur(16px); }
.access-card { width: min(420px, 100%); padding: 30px; border-radius: 20px; background: var(--surface); box-shadow: var(--shadow); }
.access-card .brand-mark { margin-bottom: 22px; }
.access-card h1 { margin: 7px 0 8px; font-size: 28px; letter-spacing: -.045em; }
.access-card > p:not(.eyebrow):not(.form-error) { color: var(--muted); line-height: 1.55; font-size: 12px; }
.access-card label { display: grid; gap: 7px; margin: 22px 0 12px; color: var(--muted); font-size: 10px; font-weight: 700; }
.access-card input { border: 1px solid var(--line-dark); border-radius: 10px; padding: 12px; }
.form-error { min-height: 16px; color: var(--red); font-size: 10px !important; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 120; transform: translateX(-50%); max-width: min(520px, calc(100vw - 30px)); padding: 11px 14px; border-radius: 10px; background: var(--ink); color: white; box-shadow: var(--shadow); font-size: 11px; line-height: 1.45; }
.toast.error { background: var(--red); }

@media (max-width: 760px) {
  .topbar { grid-template-columns: 1fr auto; padding: 0 14px; height: 62px; }
  .topbar-status { display: none; }
  .top-actions .ghost:nth-child(2), .top-actions .ghost:nth-child(3) { display: none; }
  .workspace { height: calc(100vh - 62px); }
  .investigation { padding: 0 12px 10px; }
  .conversation { padding: 16px 2px 20px; }
  .empty-state { justify-content: flex-start; padding-top: 10vh; }
  .starter-grid { grid-template-columns: 1fr; }
  .starter-grid button:nth-child(n+3) { display: none; }
  .trust-line { display: none; }
  .user-bubble { max-width: 90%; }
  .assistant-message { grid-template-columns: 27px minmax(0,1fr); gap: 9px; }
  .assistant-avatar { width: 27px; height: 27px; border-radius: 8px; font-size: 8px; }
  .hypothesis { grid-template-columns: 25px minmax(0,1fr); }
  .hypothesis-state { grid-column: 2; justify-self: start; }
  .visual-board-body { grid-template-columns: 1fr; }
  .visual-board-header { align-items: flex-start; }
  .visual-header-meta { max-width: 45%; }
  .visual-toolbar { align-items: flex-start; flex-direction: column; }
  .visual-stage { border-right: 0; border-bottom: 1px solid var(--line); padding-inline: 6px; }
  .visual-canvas { min-height: 235px; }
  .visual-inspector { display: block; padding: 14px; }
  .visual-inspector-meta { margin-top: 12px; padding-left: 0; border-left: 0; }
  .visual-hypothesis-controls { grid-template-columns: 1fr; }
  .visual-fidelity { font-size: 7px; }
  .composer-footer { display: none; }
  .backdrop, .side-panel { top: 62px; }
  .case-header { padding-top: 15px; }
}

@media print {
  body * { visibility: hidden !important; }
  .visual-print-target, .visual-print-target * { visibility: visible !important; }
  .visual-print-target { position: absolute; inset: 0 auto auto 0; width: 100%; border: 0; box-shadow: none; }
  .visual-print-target .visual-toolbar { display: none; }
  .visual-print-target .visual-canvas { min-height: 440px; overflow: visible; }
}