:root {
  color-scheme: dark;
  --bg: #070b12;
  --panel: #0d1521;
  --panel-2: #111d2a;
  --ink: #f2f7fb;
  --muted: #94a6b8;
  --line: rgba(137, 190, 225, .18);
  --cyan: #55d7ff;
  --blue: #438cff;
  --amber: #f4c66d;
  --red: #ff8f97;
  --green: #79d9b0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 5%, rgba(37, 115, 179, .2), transparent 30rem),
    linear-gradient(145deg, #070b12, #09111b 56%, #070b12);
}
a { color: var(--cyan); }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.topbar {
  min-height: 70px; display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 12px clamp(18px, 4vw, 54px); border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 18, .86); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 11px; color: inherit; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(85,215,255,.48); border-radius: 11px; color: var(--cyan); background: rgba(85,215,255,.08); font-weight: 850; }
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: .17em; font-size: .84rem; }
.brand small { margin-top: 2px; color: var(--muted); }
.nav { display: flex; align-items: center; gap: 14px; }
.nav a, .nav button { color: var(--muted); background: none; border: 0; text-decoration: none; cursor: pointer; }
.nav a:hover, .nav button:hover { color: var(--ink); }
.shell { width: min(1120px, calc(100% - 36px)); margin: 0 auto; padding: clamp(34px, 7vw, 80px) 0; }
.narrow { width: min(600px, calc(100% - 36px)); }
.auth-card, .panel { border: 1px solid var(--line); border-radius: 20px; background: rgba(13, 21, 33, .9); box-shadow: 0 28px 80px rgba(0,0,0,.28); }
.auth-card { padding: clamp(24px, 5vw, 42px); }
.eyebrow { margin: 0 0 8px; color: var(--cyan); font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -.05em; }
h2 { letter-spacing: -.03em; }
.lede, .muted { color: var(--muted); line-height: 1.6; }
form { display: grid; gap: 15px; }
label { display: grid; gap: 7px; color: #c7d4df; font-size: .88rem; }
input, textarea { width: 100%; padding: 13px 14px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: rgba(255,255,255,.04); }
.check { display: grid; grid-template-columns: auto 1fr; align-items: start; gap: 10px; }
.check input { width: auto; margin-top: 3px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 16px; border: 0; border-radius: 10px; color: #041018; background: var(--cyan); font-weight: 800; text-decoration: none; cursor: pointer; }
.button.secondary { color: var(--ink); background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.button.danger { color: #ffd9dc; background: rgba(255,83,97,.1); border: 1px solid rgba(255,143,151,.3); }
button:disabled { opacity: .55; cursor: wait; }
.message-line { min-height: 1.4em; margin: 5px 0 0; color: var(--muted); }
.message-line.error { color: var(--red); }
.message-line.success { color: var(--green); }
.workspace-layout { min-height: calc(100vh - 71px); display: grid; grid-template-columns: minmax(300px, 390px) 1fr; }
.sidebar { padding: 26px; border-right: 1px solid var(--line); background: rgba(8,14,23,.58); }
.sidebar .panel { padding: 22px; }
.file-picker { min-height: 104px; display: grid; place-items: center; margin: 16px 0 4px; padding: 16px; border: 1px dashed rgba(85,215,255,.42); border-radius: 13px; color: #c6d6e2; background: rgba(85,215,255,.035); text-align: center; cursor: pointer; }
.file-picker input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.quota { display: grid; grid-template-columns: 1fr auto; gap: 7px 12px; margin: 18px 0 0; color: var(--muted); font-size: .78rem; }
.quota dt, .quota dd { margin: 0; }
.quota dd { color: var(--ink); }
.workspace-list { display: grid; gap: 8px; margin-top: 18px; }
.workspace-card { width: 100%; display: grid; grid-template-columns: auto 1fr; gap: 10px; padding: 12px; border: 1px solid transparent; border-radius: 12px; color: inherit; background: transparent; text-align: left; cursor: pointer; }
.workspace-card:hover, .workspace-card.active { border-color: var(--line); background: rgba(255,255,255,.045); }
.format-badge { padding: 6px 8px; border-radius: 8px; color: var(--cyan); background: rgba(85,215,255,.09); font-size: .7rem; font-weight: 800; text-transform: uppercase; }
.main-pane { min-width: 0; padding: clamp(24px, 5vw, 64px); }
.customer-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 24px; }
.customer-actions .spacer { flex: 1; }
.research-panel { padding: 20px; margin-bottom: 24px; }
.research-form { grid-template-columns: 1fr auto; align-items: end; }
.research-result { margin-top: 16px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.025); }
.research-result[data-state="NEWLY_VERIFIED_ASSESSMENT"], .research-result[data-state="PREVIOUSLY_VERIFIED_EVIDENCE_REUSED"] { border-color: rgba(121,217,176,.38); }
.research-result[data-state="PROVIDER_ASSISTED_PENDING_VERIFICATION"] { border-color: rgba(244,198,109,.46); }
.research-result[data-state="SAFETY_REFUSAL"], .research-result[data-state="INSUFFICIENT_EVIDENCE"] { border-color: rgba(255,143,151,.34); }
.state-label { display: inline-block; margin-bottom: 10px; color: var(--amber); font-size: .75rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.evidence-facts { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 8px; margin: 14px 0; }
.evidence-facts div { padding: 10px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); font-size: .75rem; }
.evidence-facts strong { display: block; margin-top: 4px; color: var(--ink); }
.workspace-view { display: grid; grid-template-rows: auto minmax(280px,1fr) auto; min-height: 520px; }
.workspace-head { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.messages { max-height: 55vh; overflow: auto; padding: 24px 0; }
.bubble { max-width: 80%; margin-bottom: 16px; padding: 14px 16px; border-radius: 14px; line-height: 1.55; }
.bubble.question { margin-left: auto; color: #061018; background: #bcecff; }
.bubble.answer { border: 1px solid var(--line); background: var(--panel-2); }
.bubble small { display: block; margin-top: 8px; color: var(--muted); }
.composer { grid-template-columns: 1fr auto; align-items: end; }
.account-grid, .docs-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.account-grid .panel, .docs-grid .panel { padding: 22px; }
.definition-list { display: grid; grid-template-columns: 1fr auto; gap: 9px 14px; }
.definition-list dt, .definition-list dd { margin: 0; }
.definition-list dt { color: var(--muted); }
.notice { position: fixed; right: 20px; bottom: 20px; max-width: min(430px, calc(100vw - 40px)); padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; background: #102030; }
@media (max-width: 860px) {
  .workspace-layout { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-facts { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 600px) {
  .topbar { align-items: flex-start; }
  .nav { flex-wrap: wrap; justify-content: flex-end; }
  .brand small { display: none; }
  .research-form, .composer { grid-template-columns: 1fr; }
  .account-grid, .docs-grid { grid-template-columns: 1fr; }
  .main-pane, .sidebar { padding: 18px; }
  .bubble { max-width: 94%; }
  .evidence-facts { grid-template-columns: 1fr; }
}