:root {
  --ink: #16212b;
  --muted: #7d8b93;
  --line: #e8edf0;
  --bg: #f4f7f8;
  --sidebar: #0f3d4a;
  --sidebar-ink: #e8f4f7;
  --accent: #0e6a82;
  --accent-deep: #0a4f62;
  --accent-soft: #eaf3f5;
  --good: #0d7a52;
  --warn: #b4690e;
  --bad: #c0392b;
  --card: #ffffff;
  --radius: 10px;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font);
  color: var(--ink); background: var(--bg); line-height: 1.55;
  font-size: 16px;
}
.hidden { display: none !important; }

/* Login */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 20% 0%, #d6eef3 0%, transparent 50%),
    radial-gradient(ellipse at 90% 100%, #e8f0ea 0%, transparent 45%),
    var(--bg);
  padding: 24px;
}
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 36px 40px; width: 100%; max-width: 420px;
  box-shadow: 0 12px 40px rgba(15, 61, 74, 0.08);
}
.login-logo { height: 36px; margin-bottom: 16px; }
.login-card h1 { margin: 0; font-size: 26px; letter-spacing: -0.02em; }
.login-tagline { color: var(--muted); margin: 6px 0 24px; }
.login-card label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.login-card select, .login-card input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font-size: 14px; margin-bottom: 14px; background: #fff;
}
.login-hint { font-size: 12.5px; color: var(--muted); margin-top: 14px; }
.login-hint.muted { opacity: 0.8; }
.error { color: var(--bad); font-size: 13px; }

/* Shell */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex: none; background: var(--sidebar); color: var(--sidebar-ink);
  display: flex; flex-direction: column; padding: 18px 14px;
}
.sidebar-brand { display: flex; gap: 10px; align-items: center; padding: 4px 8px 18px; }
.sidebar .logo { height: 28px; filter: brightness(0) invert(1); opacity: 0.95; }
.firm-name { font-weight: 600; font-size: 14px; }
.plan-pill {
  display: inline-block; margin-top: 3px; font-size: 10px; letter-spacing: 0.06em;
  text-transform: uppercase; background: rgba(255,255,255,0.12); padding: 2px 7px; border-radius: 999px;
}
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  text-align: left; border: none; background: transparent; color: rgba(232,244,247,0.75);
  padding: 10px 12px; border-radius: 8px; font-size: 14.5px; cursor: pointer;
}
.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: rgba(255,255,255,0.14); color: #fff; font-weight: 600; }
.sidebar-user {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 14px; margin-top: 12px;
  font-size: 12.5px;
}
.user-name { font-weight: 600; }
.user-meta { opacity: 0.7; margin: 4px 0 10px; word-break: break-word; }
.impersonate { margin-bottom: 10px; }
.impersonate label { display: block; opacity: 0.7; margin-bottom: 4px; }
.impersonate select {
  width: 100%; padding: 6px 8px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.2);
  background: rgba(0,0,0,0.2); color: #fff; font-size: 12px;
}
.sidebar .link { color: #9ed4e0; background: none; border: none; cursor: pointer; padding: 0; font-size: 12px; }

.main-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 28px; background: var(--card); border-bottom: 1px solid var(--line);
}
.topbar h2 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.health { font-size: 12px; color: var(--muted); }
main { max-width: 960px; width: 100%; margin: 0 auto; padding: 24px 28px 48px; }

/* Buttons */
.btn-primary {
  border: none; background: var(--accent); color: #fff; border-radius: 8px;
  padding: 10px 18px; font-size: 14px; cursor: pointer; font-weight: 500;
}
.btn-primary:hover { background: var(--accent-deep); }
.btn-primary:disabled { opacity: 0.5; cursor: default; }
.btn-ghost {
  border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 8px;
  padding: 8px 14px; font-size: 13px; cursor: pointer;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.link { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 12px; }

/* Panels & layout */
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px; margin-bottom: 16px;
}
.panel h4, .panel-head h4 { margin: 0 0 12px; font-size: 15px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.panel-head h4 { margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 800px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; }
  .two-col { grid-template-columns: 1fr; }
}
.hero-empty {
  background: linear-gradient(135deg, #eaf3f5 0%, #fff 55%);
  border: 1px solid var(--line); border-radius: 14px; padding: 28px 30px; margin-bottom: 20px;
}
.hero-empty h3 { margin: 0 0 8px; font-size: 24px; letter-spacing: -0.02em; }
.hero-empty p { color: var(--muted); margin: 0 0 18px; max-width: 520px; font-size: 16px; }
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px;
}
.stat .n { font-size: 22px; font-weight: 650; letter-spacing: -0.02em; }
.stat .l { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 2px; }

.list { display: flex; flex-direction: column; gap: 6px; }
.list-item {
  display: flex; justify-content: space-between; gap: 10px; align-items: baseline;
  padding: 8px 10px; border-radius: 8px; border: 1px solid transparent; cursor: pointer;
  font-size: 14.5px;
}
.list-item:hover { background: var(--accent-soft); border-color: var(--line); }
.list-item .meta { color: var(--muted); font-size: 11.5px; white-space: nowrap; }
.card-list { display: grid; gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px;
}
.card h5 { margin: 0 0 6px; font-size: 15px; }
.card .meta { color: var(--muted); font-size: 13.5px; }
.badge {
  display: inline-block; background: var(--accent-soft); color: var(--accent);
  border-radius: 6px; padding: 2px 8px; font-size: 12px; margin-right: 4px;
}
.badge.matter { background: #eef2f8; color: #3d4f6f; }
.badge.score { background: #eef7f0; color: var(--good); }
.badge.ok { background: #eafaf0; color: var(--good); }
.badge.warn { background: #fff6e8; color: var(--warn); }
.badge.bad { background: #fdecec; color: var(--bad); }
.badge.wall { background: #fdecec; color: var(--bad); }

/* Forms */
.form-grid { display: grid; gap: 12px; }
.form-grid.compact { grid-template-columns: 1fr; margin-top: 14px; }
.form-grid label { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); }
.form-grid input, .form-grid select, .filters select {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; color: var(--ink);
  background: #fff;
}
.form-grid .check { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 13.5px; }
.query-form { margin-bottom: 8px; }
.mode-toggle {
  display: inline-flex; gap: 0; margin-bottom: 14px;
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff;
}
.mode-btn {
  border: none; background: transparent; padding: 9px 16px; font-size: 13.5px;
  color: var(--muted); cursor: pointer; font-weight: 500;
}
.mode-btn + .mode-btn { border-left: 1px solid var(--line); }
.mode-btn:hover { color: var(--ink); background: var(--accent-soft); }
.mode-btn.active { background: var(--accent); color: #fff; }

.page-tabs {
  display: inline-flex; gap: 4px; margin: 0 0 22px;
  padding: 5px; background: #e4ecef; border-radius: 12px;
  border: 1px solid #d5e0e4;
  max-width: 100%;
}
.page-tab {
  border: none; background: transparent;
  padding: 12px 22px; min-height: 44px;
  font-family: var(--font); font-size: 15.5px; letter-spacing: -0.01em;
  color: #5a6b73; cursor: pointer; font-weight: 500;
  border-radius: 9px; line-height: 1.2;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}
.page-tab:hover {
  color: var(--ink); background: rgba(255, 255, 255, 0.55);
}
.page-tab.active {
  color: #fff; background: var(--accent); font-weight: 600;
  box-shadow: 0 1px 3px rgba(14, 106, 130, 0.35);
}
.page-tab.active:hover { color: #fff; background: var(--accent-deep); }
.page-tab-panel { margin-top: 2px; }

@media (max-width: 640px) {
  .page-tabs { display: flex; width: 100%; }
  .page-tab { flex: 1; padding: 12px 10px; font-size: 14px; text-align: center; }
}

.filters { display: flex; gap: 16px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.filters label { font-size: 12.5px; color: var(--muted); display: flex; gap: 8px; align-items: center; }
.query-row { display: flex; gap: 10px; }
.query-row input { flex: 1; padding: 13px 15px; border: 1px solid var(--line); border-radius: 10px; font-size: 16px; }
.query-row input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.hint { color: var(--muted); font-size: 12.5px; margin: 10px 0 0; }
.deep-toggle { display: inline-flex; gap: 7px; align-items: center; color: var(--accent-deep); font-size: 12.5px; cursor: pointer; }
.deep-toggle input { accent-color: var(--accent); }

/* Ask results */
.trail { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; margin-top: 18px; font-size: 13px; }
.trail .section-label { margin: 0 0 8px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.trail .step { display: flex; gap: 9px; padding: 4px 0; color: #44506a; }
.trail .step .glyph { color: var(--accent); font-weight: 700; width: 16px; text-align: center; }

.status { margin-top: 16px; color: var(--muted); font-size: 13px; padding: 8px 4px; }
.status::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 8px;
  border-radius: 50%; border: 2px solid var(--accent); border-top-color: transparent;
  animation: spin 0.8s linear infinite; vertical-align: -1px; }
@keyframes spin { to { transform: rotate(360deg); } }

.answer { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent);
  border-radius: 12px; padding: 20px 22px; margin-top: 18px; }
.answer.abstain { border-left-color: #e2b45a; background: #fffaf0; }
.answer h3 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.answer .body { font-size: 16.5px; white-space: pre-wrap; }
.answer .body .cite { color: var(--accent); font-weight: 600; cursor: pointer; }
.answer-actions { margin-top: 12px; display: flex; gap: 10px; }
.citations { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 14px; }
.citation { font-size: 14px; margin-bottom: 12px; cursor: pointer; padding: 8px; border-radius: 8px; }
.citation:hover { background: var(--accent-soft); }
.citation .marker { color: var(--accent); font-weight: 700; margin-right: 6px; }
.citation .title { font-weight: 600; }
.citation .snippet { color: var(--muted); margin-top: 3px; }

.results { margin-top: 18px; display: grid; gap: 12px; }
.section-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; margin: 4px 2px -4px; }
.hit { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; cursor: pointer; }
.hit:hover { border-color: var(--accent); }
.hit .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.hit .title { font-weight: 600; margin-bottom: 4px; }
.hit .text { font-size: 14.5px; color: #44506a; }
.empty { color: var(--muted); padding: 24px; text-align: center; }

.doc-group { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; }
.doc-group h4 { margin: 0 0 8px; font-size: 13px; color: var(--accent-deep); }
.doc-row {
  display: flex; gap: 10px; align-items: baseline; padding: 8px 0; border-top: 1px solid var(--bg);
  font-size: 14.5px; cursor: pointer;
}
.doc-row:hover { color: var(--accent); }
.doc-row .path { color: var(--muted); font-size: 12.5px; margin-left: auto; }
.doc-row .doc-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex: none; }
.doc-row .doc-actions .path { margin-left: 0; }
.doc-modal-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  margin-bottom: 12px; padding-right: 28px;
}
.doc-modal-head h2 { margin: 0; font-size: 22px; }
.doc-download { text-decoration: none; display: inline-block; flex: none; }

.mono { font-family: var(--mono); font-size: 12px; white-space: pre-wrap; margin: 0; }
.doc-text {
  font-family: var(--mono); font-size: 13.5px; white-space: pre-wrap; max-height: 60vh;
  overflow: auto; background: var(--bg); padding: 14px; border-radius: 8px; border: 1px solid var(--line);
}

.modal { position: fixed; inset: 0; background: rgba(15,35,46,0.55); display: flex;
  align-items: center; justify-content: center; padding: 20px; z-index: 20; }
.modal-body { background: #fff; border-radius: 14px; padding: 24px; max-width: 900px; width: 100%;
  max-height: 84vh; overflow: auto; position: relative; }
.modal-body.wide { max-width: 980px; }
.close { position: absolute; top: 14px; right: 16px; border: none; background: none; font-size: 24px; cursor: pointer; color: var(--muted); }
.verified { color: var(--good); font-weight: 600; }
.broken { color: var(--bad); font-weight: 700; }
table.audit { border-collapse: collapse; width: 100%; font-size: 12.5px; }
table.audit th, table.audit td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.audit th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 10.5px; letter-spacing: 0.5px; }
table.audit td.payload { font-family: var(--mono); font-size: 11px; color: #44506a; word-break: break-word; }