:root {
  --tangerine:#FF6B35; --peach:#F7C59F; --peach-soft:#FBE4CF;
  --beige:#F6F0DC; --beige-soft:#F6F6E4;
  --steel:#004E89; --steel-dark:#003865; --baltic:#1A659E; --baltic-pale:#E3EDF4;
  --ink:#1F2A35; --ink-soft:#5A6573; --ink-faint:#8A95A3;
  --card:#FFFFFF; --border:rgba(31,42,53,.10); --border-strong:rgba(31,42,53,.18);
  --brand-pale:#D9E4EE; --ok-bg:#DCECC3; --ok-text:#2B5A12;
  --danger-bg:#F5DEDB; --danger-text:#8C2A1A; --critical-deep:#B8380F;
  --radius:10px; --radius-lg:14px;
}
* { box-sizing:border-box; }
body { margin:0; background:var(--beige); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',sans-serif; font-size:14px; line-height:1.5; }
a { color:inherit; text-decoration:none; }

/* top nav */
.topnav { position:sticky; top:0; z-index:20; height:60px; background:var(--card);
  border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; padding:0 28px; }
.topnav-left { display:flex; align-items:center; gap:24px; }
.brand { font-size:18px; font-weight:600; letter-spacing:-.02em; }
.brand .dot { color:var(--tangerine); }
.nav-links { display:flex; gap:2px; }
.nav-link { font-size:13px; font-weight:500; padding:8px 14px; border-radius:8px; color:var(--ink-soft); cursor:pointer; }
.nav-link:hover { background:var(--beige-soft); color:var(--ink); }
.nav-link.active { background:var(--beige-soft); color:var(--ink); font-weight:600; }
.nav-link.disabled { color:var(--ink-faint); cursor:default; }
.topnav-right { display:flex; align-items:center; gap:10px; }
.user-chip { font-size:13px; color:var(--ink-soft); display:inline-flex; align-items:center; gap:6px; }

/* page */
.page { max-width:1000px; margin:0 auto; padding:32px 28px; }
.page-header { margin-bottom:20px; display:flex; justify-content:space-between; align-items:flex-start; gap:16px; flex-wrap:wrap; }
.page-header h1 { font-size:26px; font-weight:700; letter-spacing:-.02em; margin:0 0 4px; }
.subtle { color:var(--ink-soft); margin:0; }
.card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:18px; margin-bottom:14px; }
.subtle-card { background:var(--beige-soft); }

/* controls */
.input, .select, textarea.input { width:100%; font-size:14px; font-family:inherit; padding:9px 11px;
  border:1px solid var(--border-strong); border-radius:var(--radius); background:var(--card); color:var(--ink); }
textarea.input { min-height:80px; line-height:1.5; resize:vertical; }
.input:focus, .select:focus { outline:none; border-color:var(--steel); box-shadow:0 0 0 3px var(--brand-pale); }
.label { font-size:12px; font-weight:600; color:var(--ink-soft); margin:0 0 6px; display:block; }
.row-controls { display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:14px; }

/* buttons */
.btn { display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:500; font-family:inherit;
  padding:8px 14px; border:1px solid var(--border-strong); border-radius:var(--radius); background:var(--card); color:var(--ink); cursor:pointer; }
.btn:hover { background:var(--beige-soft); }
.btn-primary { background:var(--steel); color:#fff; border-color:var(--steel); font-weight:600; }
.btn-primary:hover { background:var(--steel-dark); }
.btn-danger { color:var(--danger-text); border-color:var(--danger-text); background:transparent; font-size:12px; padding:5px 10px; }
.btn-danger:hover { background:var(--danger-bg); }
.btn-sm { font-size:12px; padding:5px 10px; }
.btn[disabled] { opacity:.5; cursor:not-allowed; }

/* list */
.list { background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; }
.list-row { display:flex; gap:14px; align-items:flex-start; padding:14px 16px; border-bottom:1px solid var(--border); }
.list-row:last-child { border-bottom:none; }
.grow { flex:1; min-width:0; }
.q-text { font-size:14px; line-height:1.5; margin-bottom:6px; }
.meta { display:flex; gap:6px; flex-wrap:wrap; align-items:center; }
.meta-line { font-size:11px; color:var(--ink-faint); margin-top:6px; }
.count { font-size:13px; color:var(--ink-soft); margin-bottom:10px; }

/* admin subtabs */
.subtabs { display:flex; gap:0; border-bottom:1px solid var(--border); margin-bottom:20px; overflow-x:auto; }
.subtab { padding:10px 16px; font-size:13px; font-weight:500; color:var(--ink-soft); cursor:pointer; border:none; background:none; border-bottom:2px solid transparent; font-family:inherit; white-space:nowrap; }
.subtab:hover { color:var(--ink); }
.subtab.active { color:var(--steel); border-bottom-color:var(--steel); font-weight:600; }

/* notifications */
.badge { display:inline-block; min-width:16px; padding:0 5px; margin-left:4px; border-radius:10px; background:var(--tangerine); color:#fff; font-size:11px; font-weight:700; line-height:16px; text-align:center; }
.notif-panel { position:absolute; right:0; top:calc(100% + 8px); width:330px; max-height:400px; overflow-y:auto; background:var(--card); border:1px solid var(--border-strong); border-radius:10px; box-shadow:0 10px 28px rgba(0,0,0,.14); z-index:50; }
.notif-head { font-weight:600; font-size:13px; padding:10px 12px; border-bottom:1px solid var(--border); }
.notif-item { padding:10px 12px; border-bottom:1px solid var(--border); font-size:13px; line-height:1.45; color:var(--ink-soft); }
.notif-item:last-child { border-bottom:none; }

/* tags + pills */
.tag { font-size:11px; font-weight:500; padding:3px 9px; border-radius:20px; display:inline-flex; align-items:center; gap:4px; }
.tag-brand { background:var(--brand-pale); color:var(--steel); }
.tag-muted { background:var(--beige-soft); color:var(--ink-soft); }
.tag-soft { background:var(--peach-soft); color:var(--critical-deep); }
.qrow { display:flex; gap:10px; align-items:flex-start; padding:10px 12px; background:var(--beige-soft); border:1px solid var(--border); border-radius:8px; }
.pill { font-size:11px; font-weight:600; padding:2px 8px; border-radius:20px; background:var(--ok-bg); color:var(--ok-text); }

/* modal */
.modal-backdrop { position:fixed; inset:0; background:rgba(31,42,53,.5); display:flex; align-items:center; justify-content:center; padding:24px; z-index:100; }
.modal { background:var(--card); border-radius:var(--radius-lg); width:100%; max-width:600px; max-height:90vh; display:flex; flex-direction:column; overflow:hidden; box-shadow:0 24px 48px rgba(0,0,0,.18); }
.modal-head { padding:16px 20px; border-bottom:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; }
.modal-head h3 { margin:0; font-size:16px; font-weight:600; }
.modal-body { padding:20px; overflow-y:auto; display:flex; flex-direction:column; gap:14px; }
.modal-foot { padding:14px 20px; border-top:1px solid var(--border); background:var(--beige-soft); display:flex; justify-content:flex-end; gap:8px; }
.similar { background:var(--baltic-pale); border-left:3px solid var(--baltic); border-radius:0 8px 8px 0; padding:10px 12px; }
.similar .s-row { font-size:13px; padding:6px 0; border-top:1px solid var(--border); }
.similar .s-row:first-of-type { border-top:none; }
.empty { padding:40px; text-align:center; color:var(--ink-faint); }
.err { color:var(--danger-text); font-size:13px; }

/* builder */
.builder-grid { display:grid; grid-template-columns:minmax(320px,420px) 1fr; gap:16px; align-items:start; }
@media (max-width:860px){ .builder-grid { grid-template-columns:1fr; } }
.builder-head { padding:14px 16px; border-bottom:1px solid var(--border); font-weight:600; font-size:14px; }
.builder-row { display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px; border:1px solid transparent; cursor:pointer; margin-bottom:4px; }
.builder-row:hover { background:var(--beige-soft); }
.builder-row.selected { background:var(--brand-pale); border-color:var(--steel); }
.builder-row .pos { font-family:monospace; font-size:11px; color:var(--ink-faint); font-weight:600; width:26px; flex-shrink:0; }
.builder-actions { display:flex; gap:4px; align-items:center; flex-shrink:0; flex-wrap:wrap; justify-content:flex-end; max-width:170px; }
.linkbtn { background:none; border:none; color:var(--ink-faint); cursor:pointer; padding:2px 4px; font-size:13px; }
.linkbtn:hover { color:var(--ink); }

/* knowledge base */
.kb-topic-head { font-size:13px; font-weight:700; color:var(--ink); margin:0 0 8px; }
.kb-content { white-space:pre-wrap; font-size:13px; line-height:1.55; color:var(--ink-soft); margin-top:8px; padding:10px 12px; background:var(--beige-soft); border:1px solid var(--border); border-radius:8px; }
.kb-snippet { font-size:13px; line-height:1.5; color:var(--ink-soft); margin-top:6px; }

/* interview runner */
.runner { max-width:1440px; margin:0 auto; padding:20px 24px; }
.runner-bar { display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:16px; }
.runner-grid { display:grid; grid-template-columns:minmax(360px,1.5fr) minmax(220px,1fr) minmax(260px,1fr); gap:16px; align-items:start; }
@media (max-width:1100px){ .runner-grid { grid-template-columns:1fr; } }
.runner-col { background:var(--card); border:1px solid var(--border); border-radius:var(--radius-lg); }
.runner-col-head { padding:12px 16px; border-bottom:1px solid var(--border); font-weight:600; font-size:14px; }
.runner-col-body { padding:12px; }
.step { border:1px solid var(--border); border-radius:10px; margin-bottom:8px; overflow:hidden; }
.step.active { border-color:var(--steel); }
.step-head { display:flex; align-items:center; gap:10px; padding:12px; cursor:pointer; }
.step-head:hover { background:var(--beige-soft); }
.step.active .step-head { background:var(--brand-pale); }
.step-num { font-family:monospace; font-size:11px; color:var(--ink-faint); font-weight:600; width:22px; flex-shrink:0; }
.step-body { padding:4px 12px 12px; }
.check-row { display:flex; gap:10px; align-items:flex-start; padding:8px 8px; border-radius:8px; cursor:pointer; }
.check-row:hover { background:var(--beige-soft); }
.check-row input { margin-top:3px; flex-shrink:0; }
.check-row.done .cr-text { text-decoration:line-through; color:var(--ink-faint); }
.kb-result { padding:8px 2px; border-top:1px solid var(--border); }
.kb-result:first-child { border-top:none; }
.kb-result-top { border:1px solid var(--baltic); background:var(--baltic-pale); border-radius:8px; padding:10px; margin-bottom:6px; }

/* transcript */
.transcript { max-height:480px; overflow-y:auto; display:flex; flex-direction:column; gap:10px; }
.tr-line { font-size:13px; line-height:1.5; }
.tr-who { display:inline-block; font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; padding:1px 6px; border-radius:10px; margin-right:6px; vertical-align:middle; }
.tr-you { background:var(--brand-pale); color:var(--steel); }
.tr-cand { background:var(--peach-soft); color:var(--critical-deep); }
.tr-text { color:var(--ink); }
.tr-interim { opacity:.5; font-style:italic; }
.rec-dot { width:8px; height:8px; border-radius:50%; background:var(--critical-deep); display:inline-block; animation:pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.25; } }