/* ── ClinIQ Design System ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --p:      #0a5c8a;
  --p-h:    #1176b0;
  --p-s:    #e8f4fb;
  --acc:    #00a693;
  --acc-s:  #e0f7f4;
  --bg:     #f0f5fb;
  --surf:   #ffffff;
  --bdr:    #d1dce8;
  --txt:    #1a2b3c;
  --txt2:   #4a6077;
  --txt3:   #8498ab;
  --ok:     #059669; --ok-s:  #d1fae5;
  --err:    #dc2626; --err-s: #fee2e2;
  --warn:   #d97706; --warn-s:#fffbeb;
  --radius: 12px;
  --rsm:    8px;
  --shad:   0 2px 12px rgba(10,60,100,0.08);
  --shad-l: 0 8px 32px rgba(10,60,100,0.14);
}
:root.dark {
  --bg:   #0f1923; --surf: #162030; --bdr: #243447;
  --txt:  #e2eaf2; --txt2: #8fa8c0; --txt3: #506070;
  --p-s:  #0d2d44; --acc-s:#0d2e2a;
  --shad: 0 2px 12px rgba(0,0,0,0.3);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg); color: var(--txt);
  min-height: 100vh; display: flex; flex-direction: column;
  font-size: 14px; line-height: 1.5;
  transition: background .18s, color .18s;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
header {
  background: linear-gradient(135deg,#063d5f 0%,var(--p) 55%,#1176b0 100%);
  color: #fff; padding: 14px 28px;
  box-shadow: var(--shad-l);
  position: sticky; top: 0; z-index: 100;
}
.hdr { max-width:1300px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.logo { display:flex; align-items:center; gap:14px; }
.logo-icon { font-size:2.1rem; }
h1 { font-size:1.7rem; font-weight:800; letter-spacing:-.5px; }
.tagline { font-size:.75rem; opacity:.8; margin-top:2px; }
.hdr-right { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.badges { display:flex; flex-wrap:wrap; gap:6px; }
.badge { padding:3px 10px; border-radius:20px; font-size:.7rem; font-weight:600; border:1px solid rgba(255,255,255,.25); }
.b-purple { background:rgba(124,58,237,.35); }
.b-teal   { background:rgba(0,166,147,.35); }
.b-blue   { background:rgba(17,118,176,.45); }
.b-gold   { background:rgba(180,83,9,.4); }

.icon-btn {
  background:rgba(255,255,255,.15); border:1px solid rgba(255,255,255,.25);
  color:#fff; border-radius:var(--rsm); padding:6px 10px;
  cursor:pointer; font-size:1rem; transition:background .18s;
}
.icon-btn:hover { background:rgba(255,255,255,.28); }
.icon-btn.sm {
  background:var(--bg); border:1px solid var(--bdr); color:var(--txt3);
  font-size:.85rem; padding:4px 8px;
}
.icon-btn.sm:hover { color:var(--err); border-color:var(--err); background:var(--err-s); }

/* ── Privacy bar ─────────────────────────────────────────────────────────── */
.privacy-bar { background:var(--warn-s); border-bottom:1px solid #fcd34d; padding:7px 28px; font-size:.78rem; color:#92400e; }

/* ── Layout ──────────────────────────────────────────────────────────────── */
main { flex:1; max-width:1300px; margin:18px auto; padding:0 18px; display:grid; grid-template-columns:340px 1fr; gap:16px; align-items:start; }
.sidebar { display:flex; flex-direction:column; gap:14px; }
.right-col { display:flex; flex-direction:column; gap:14px; }

/* ── Card ────────────────────────────────────────────────────────────────── */
.card { background:var(--surf); border:1px solid var(--bdr); border-radius:var(--radius); padding:18px; box-shadow:var(--shad); transition:background .18s,border-color .18s; }
.card h2 { font-size:.9rem; font-weight:700; color:var(--p); margin-bottom:12px; }
.card h3 { font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--txt3); margin:12px 0 6px; }
.card-hint { font-size:.77rem; color:var(--txt3); margin:-8px 0 10px; }

/* ── Dropzone ────────────────────────────────────────────────────────────── */
.dropzone { border:2px dashed var(--bdr); border-radius:var(--rsm); padding:16px 12px; text-align:center; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:6px; margin-bottom:10px; transition:border-color .18s,background .18s; }
.dropzone:hover,.dropzone.drag { border-color:var(--p); background:var(--p-s); }
.drop-txt { font-size:.81rem; color:var(--txt2); line-height:1.5; }
.drop-txt small { color:var(--txt3); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn { border:none; border-radius:var(--rsm); font-size:.84rem; font-weight:600; cursor:pointer; padding:9px 16px; display:inline-flex; align-items:center; gap:6px; transition:background .18s,transform .1s,opacity .18s; }
.btn:disabled { opacity:.4; cursor:not-allowed; }
.btn:active:not(:disabled) { transform:scale(.97); }
.btn.primary { background:var(--p); color:#fff; }
.btn.primary:hover:not(:disabled) { background:var(--p-h); }
.btn.secondary { background:var(--bg); color:var(--p); border:1px solid var(--bdr); }
.btn.secondary:hover:not(:disabled) { background:var(--p-s); }
.full { width:100%; justify-content:center; margin-bottom:10px; }

/* ── Status ──────────────────────────────────────────────────────────────── */
.status { border-radius:var(--rsm); padding:9px 12px; font-size:.79rem; border-left:4px solid; margin-top:6px; }
.status.info    { background:var(--p-s); color:var(--p);  border-color:var(--p); }
.status.success { background:var(--ok-s); color:var(--ok); border-color:var(--ok); }
.status.error   { background:var(--err-s); color:var(--err); border-color:var(--err); }
.docs-ok { display:flex; align-items:center; gap:8px; margin-top:8px; background:var(--ok-s); border-radius:var(--rsm); padding:8px 12px; font-size:.77rem; color:var(--ok); }
.pulse-dot { width:8px; height:8px; border-radius:50%; background:var(--ok); flex-shrink:0; animation:pulse 2s infinite; }
.doc-names-txt { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ── 🚨 SAFETY PANEL — hero feature ──────────────────────────────────────── */
.safety-card-wrap { border-top:3px solid var(--err); }
.safety-card-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:4px; }
.safety-auto-badge { font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.05em; background:var(--p-s); color:var(--p); border:1px solid var(--bdr); border-radius:20px; padding:2px 8px; }

.safety-loading { display:flex; align-items:center; gap:10px; padding:12px; color:var(--txt2); font-size:.82rem; background:var(--bg); border-radius:var(--rsm); border:1px solid var(--bdr); }
.spinner { width:18px; height:18px; border:2px solid var(--bdr); border-top-color:var(--p); border-radius:50%; animation:spin .7s linear infinite; flex-shrink:0; }
@keyframes spin { to { transform:rotate(360deg); } }

.safety-panel { border-radius:var(--rsm); overflow:hidden; }
.safety-panel.safe    { border:1px solid #6ee7b7; }
.safety-panel.review  { border:1px solid var(--warn); }
.safety-panel.danger  { border:1px solid var(--err); box-shadow:0 0 0 3px rgba(220,38,38,.1); }

.safety-status-bar { display:flex; align-items:center; gap:8px; padding:10px 14px; font-weight:700; font-size:.88rem; }
.safety-panel.safe   .safety-status-bar { background:var(--ok-s); color:var(--ok); }
.safety-panel.review .safety-status-bar { background:var(--warn-s); color:var(--warn); }
.safety-panel.danger .safety-status-bar { background:var(--err-s); color:var(--err); }

.safety-alert { padding:10px 14px; margin:8px; border-radius:var(--rsm); font-size:.81rem; }
.alert-danger { background:#fff5f5; border-left:4px solid var(--err); }
.alert-warn   { background:var(--warn-s); border-left:4px solid var(--warn); }
.alert-info   { background:var(--p-s); border-left:4px solid var(--p); }
.alert-title  { font-weight:700; margin-bottom:4px; font-size:.84rem; }
.alert-detail { color:var(--txt2); margin-bottom:6px; line-height:1.5; }
.alert-rec    { font-size:.78rem; color:var(--txt3); }
.alert-rec strong { color:var(--txt2); }
.no-alerts    { padding:12px 14px; color:var(--ok); font-size:.82rem; }
.safety-error { padding:10px 14px; color:var(--err); font-size:.81rem; }

.extracted-details { margin:8px; font-size:.79rem; }
.extracted-details summary { cursor:pointer; color:var(--txt2); padding:4px 0; user-select:none; }
.extracted-details summary:hover { color:var(--p); }

/* ── Templates ───────────────────────────────────────────────────────────── */
.templates { display:flex; flex-direction:column; gap:6px; }
.tpl-btn { background:var(--bg); border:1px solid var(--bdr); border-radius:var(--rsm); padding:9px 12px; text-align:left; font-size:.81rem; font-weight:500; color:var(--txt); cursor:pointer; transition:background .15s,border-color .15s,transform .1s; }
.tpl-btn:not(:disabled):hover { background:var(--p-s); border-color:var(--p); color:var(--p); }
.tpl-btn:not(:disabled):active { transform:scale(.98); }
.tpl-btn:disabled { opacity:.4; cursor:not-allowed; }

/* ── Chat ────────────────────────────────────────────────────────────────── */
.chat-card { display:flex; flex-direction:column; }
.chat-hdr { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.chat-hdr h2 { margin-bottom:0; }
.chat { min-height:300px; max-height:420px; overflow-y:auto; display:flex; flex-direction:column; gap:12px; padding:4px 2px; scroll-behavior:smooth; }
.welcome { display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:240px; gap:12px; color:var(--txt3); text-align:center; padding:20px; }
.welcome-icon { font-size:3rem; }
.welcome p { font-size:.88rem; line-height:1.7; }
.welcome em { color:var(--p); font-style:normal; font-weight:500; }

.bubble-wrap { display:flex; }
.bubble-wrap.user { justify-content:flex-end; }
.bubble-wrap.bot  { justify-content:flex-start; }
.bubble { max-width:80%; padding:11px 15px; border-radius:16px; font-size:.87rem; line-height:1.6; }
.bubble-wrap.user .bubble { background:var(--p); color:#fff; border-bottom-right-radius:4px; }
.bubble-wrap.bot  .bubble { background:var(--surf); border:1px solid var(--bdr); color:var(--txt); border-bottom-left-radius:4px; box-shadow:var(--shad); }

.answer-txt { white-space:pre-wrap; }
.answer-txt.typing::after { content:"▌"; animation:blink .7s step-end infinite; }
@keyframes blink { 50%{opacity:0} }

.dots { display:inline-flex; gap:5px; align-items:center; padding:4px 0; }
.dots span { width:7px; height:7px; border-radius:50%; background:var(--txt3); animation:bounce 1.2s ease-in-out infinite; }
.dots span:nth-child(2) { animation-delay:.2s; }
.dots span:nth-child(3) { animation-delay:.4s; }
@keyframes bounce { 0%,80%,100%{transform:scale(.6)} 40%{transform:scale(1)} }

/* ── Table ───────────────────────────────────────────────────────────────── */
.tbl-wrap { overflow-x:auto; margin-top:10px; border-radius:var(--rsm); border:1px solid var(--bdr); }
.tbl { width:100%; border-collapse:collapse; font-size:.79rem; }
.tbl th { background:var(--p-s); color:var(--p); padding:6px 10px; text-align:left; font-weight:700; border-bottom:2px solid var(--bdr); white-space:nowrap; }
.tbl td { padding:6px 10px; border-bottom:1px solid var(--bdr); color:var(--txt2); }
.tbl tr:last-child td { border-bottom:none; }
.tbl tr:hover td { background:var(--bg); }

/* ── Input ───────────────────────────────────────────────────────────────── */
.input-row { display:flex; gap:10px; align-items:flex-end; padding-top:12px; border-top:1px solid var(--bdr); margin-top:10px; }
textarea { flex:1; border:1px solid var(--bdr); border-radius:var(--rsm); padding:10px 14px; font-size:.87rem; font-family:inherit; resize:none; outline:none; background:var(--bg); color:var(--txt); line-height:1.5; transition:border-color .18s,background .18s; }
textarea:focus { border-color:var(--p); background:var(--surf); }
textarea:disabled { opacity:.5; cursor:not-allowed; }
.ask-btn { padding:11px 18px; flex-shrink:0; }

/* ── Trace ───────────────────────────────────────────────────────────────── */
.trace-card { max-height:380px; overflow-y:auto; }
.trace-hdr { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.trace-hdr h2 { margin-bottom:0; }
.share-btn { display:inline-flex; align-items:center; gap:4px; font-size:.74rem; font-weight:600; color:var(--acc); text-decoration:none; background:var(--acc-s); border:1px solid var(--acc); border-radius:20px; padding:3px 10px; transition:background .18s; }
.share-btn:hover { background:var(--acc); color:#fff; }

.trace-steps { list-style:none; display:flex; flex-direction:column; gap:6px; margin-bottom:12px; }
.trace-step { display:flex; gap:10px; align-items:flex-start; background:var(--bg); border:1px solid var(--bdr); border-radius:var(--rsm); padding:8px 10px; transition:opacity .3s,transform .3s; }
.trace-step.entering { opacity:0; transform:translateY(5px); }
.step-icon { font-size:.95rem; flex-shrink:0; margin-top:1px; }
.step-body { display:flex; flex-direction:column; gap:2px; flex:1; min-width:0; }
.step-name { font-size:.68rem; font-weight:700; text-transform:uppercase; color:var(--p); letter-spacing:.05em; }
.step-detail { font-size:.79rem; color:var(--txt2); }
.step-ms { font-size:.68rem; color:var(--txt3); }
.step-srcs { display:flex; flex-wrap:wrap; gap:4px; margin-top:4px; }
.src-chip { background:var(--p-s); color:var(--p); border-radius:4px; padding:1px 6px; font-size:.69rem; font-weight:600; }
.sub-qs { list-style:none; margin:4px 0 0 0; }
.sub-qs li { font-size:.77rem; color:var(--txt3); padding-left:8px; }

.excerpt-card { background:var(--bg); border:1px solid var(--bdr); border-radius:var(--rsm); padding:8px 10px; margin-bottom:6px; }
.excerpt-src { font-size:.71rem; font-weight:700; color:var(--p); margin-bottom:4px; }
.excerpt-txt { font-size:.77rem; color:var(--txt2); line-height:1.5; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer { text-align:center; padding:14px 20px; font-size:.75rem; color:var(--txt3); border-top:1px solid var(--bdr); background:var(--surf); }
footer a { color:var(--p); text-decoration:none; }
footer a:hover { text-decoration:underline; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width:900px) {
  main { grid-template-columns:1fr; }
  header { padding:12px 16px; }
  .hdr { flex-wrap:wrap; gap:10px; }
  .trace-card { max-height:260px; }
}
@media (max-width:540px) {
  h1 { font-size:1.4rem; }
  .badges { display:none; }
}