:root{
  --bg:#F2F5F7;
  --surface:#FFFFFF;
  --ink:#1C2733;
  --ink-muted:#5B6B7C;
  --line:#E1E7EC;
  --accent:#0F7C82;
  --accent-ink:#0A5A5F;
  --danger:#D64545;
  --danger-bg:#FCEBEB;

  --ventolin:#2E6FE0;
  --ventolin-bg:#E9F0FE;
  --flixotide:#E38318;
  --flixotide-bg:#FDF1E2;
  --atrovent:#2E9E5B;
  --atrovent-bg:#E9F6EE;

  --radius:14px;
  --font-display:'Space Grotesk', system-ui, sans-serif;
  --font-body:'Inter', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
#app{max-width:560px;margin:0 auto;padding-bottom:48px}

/* Topbar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 18px 8px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--ventolin) 0 33%, var(--flixotide) 33% 66%, var(--atrovent) 66% 100%);
  display:inline-block;flex-shrink:0;
}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:19px;letter-spacing:-0.01em}
.brand-sub{font-size:12px;color:var(--ink-muted)}
.icon-btn{
  border:none;background:var(--surface);color:var(--ink-muted);
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 1px 2px rgba(28,39,51,0.08);cursor:pointer;
}
.icon-btn:hover{color:var(--accent)}

/* Hero status cards */
.hero{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  padding:8px 18px 4px;
}
.status-card{
  background:var(--surface);border-radius:var(--radius);
  padding:12px 10px;position:relative;overflow:hidden;
  box-shadow:0 1px 3px rgba(28,39,51,0.06);
  border-left:4px solid var(--card-color, var(--ink));
  cursor:pointer;
}
.status-card .med-name{font-size:11px;font-weight:600;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.03em}
.status-card .elapsed{
  font-family:var(--font-mono);font-weight:600;font-size:20px;line-height:1.15;
  margin-top:4px;color:var(--ink);
}
.status-card .elapsed-label{font-size:10px;color:var(--ink-muted);margin-top:2px}
.status-card.flag{background:var(--danger-bg)}
.status-card.flag .elapsed{color:var(--danger)}
.status-card.due .elapsed{color:var(--card-color)}

/* Tabs */
.tabs{
  display:flex;gap:4px;margin:14px 18px 0;background:var(--surface);
  border-radius:12px;padding:4px;box-shadow:0 1px 2px rgba(28,39,51,0.06);
}
.tab{
  flex:1;border:none;background:transparent;padding:9px 4px;border-radius:9px;
  font-family:var(--font-body);font-size:13px;font-weight:600;color:var(--ink-muted);
  cursor:pointer;
}
.tab.active{background:var(--accent);color:#fff}

main{padding:16px 18px 8px}
.panel{display:none}
.panel.active{display:block}

.card{
  background:var(--surface);border-radius:var(--radius);padding:16px;
  margin-bottom:14px;box-shadow:0 1px 3px rgba(28,39,51,0.06);
}
.card h3{font-family:var(--font-display);font-size:15px;margin:0 0 6px}

.field{margin-bottom:14px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--ink-muted);margin-bottom:6px}
.field label .optional{font-weight:400;text-transform:none;color:var(--ink-muted);opacity:.8}
.field-row{display:flex;gap:12px;flex-wrap:wrap}
.field-row .field{flex:1;min-width:140px}

input[type=text],input[type=datetime-local],input[type=time]{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;
  font-family:var(--font-body);font-size:14px;background:#fff;color:var(--ink);
}
input:focus{outline:2px solid var(--accent);outline-offset:1px}

.med-picker{display:flex;gap:8px}
.med-option{
  flex:1;border:2px solid var(--line);border-radius:12px;padding:10px 6px;
  display:flex;flex-direction:column;align-items:center;gap:6px;background:#fff;cursor:pointer;
}
.med-option .dot{width:20px;height:20px;border-radius:50%;background:var(--dot-color)}
.med-option span.label{font-size:11px;font-weight:600;text-align:center}
.med-option.selected{border-color:var(--dot-color);background:color-mix(in srgb, var(--dot-color) 10%, white)}

.stepper{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:10px;padding:6px 12px;width:fit-content}
.stepper button{
  width:30px;height:30px;border-radius:8px;border:none;background:var(--bg);
  font-size:18px;font-family:var(--font-mono);cursor:pointer;color:var(--ink);
}
.stepper span{font-family:var(--font-mono);font-weight:600;font-size:17px;min-width:16px;text-align:center}

.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:14px}

.btn-primary{
  width:100%;background:var(--accent);color:#fff;border:none;border-radius:12px;
  padding:13px;font-family:var(--font-body);font-weight:600;font-size:15px;cursor:pointer;margin-top:4px;
}
.btn-primary:hover{background:var(--accent-ink)}
.btn-secondary{
  width:100%;background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:12px;
  padding:11px;font-weight:600;font-size:13px;cursor:pointer;margin-top:6px;
}
.btn-danger{background:#fff;border:1px solid var(--danger);color:var(--danger);border-radius:10px;padding:9px 14px;font-weight:600;cursor:pointer}

.warn-banner{
  margin-top:12px;padding:10px 12px;border-radius:10px;background:var(--danger-bg);color:var(--danger);
  font-size:13px;font-weight:600;
}

/* History */
.filter-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;
  font-size:12px;font-weight:600;cursor:pointer;color:var(--ink-muted);
}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.history-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.history-item{
  background:var(--surface);border-radius:12px;padding:12px 14px;
  display:flex;align-items:center;gap:12px;box-shadow:0 1px 2px rgba(28,39,51,0.05);
  border-left:4px solid var(--item-color);
}
.history-item .dot{width:10px;height:10px;border-radius:50%;background:var(--item-color);flex-shrink:0}
.history-item .main{flex:1;min-width:0}
.history-item .title{font-weight:600;font-size:14px}
.history-item .meta{font-size:12px;color:var(--ink-muted);margin-top:2px}
.history-item .time{font-family:var(--font-mono);font-size:13px;color:var(--ink-muted);white-space:nowrap}
.history-item .del{background:none;border:none;color:var(--ink-muted);cursor:pointer;font-size:16px;padding:4px}

.empty-state{text-align:center;padding:32px 12px;color:var(--ink-muted)}
.empty-state p{margin:4px 0}

/* Safety sheet */
.disclaimer{border:1px solid var(--line);font-size:13px;color:var(--ink)}
.disclaimer p{color:var(--ink-muted);margin:8px 0 0}

.med-safety-card{
  background:var(--surface);border-radius:var(--radius);padding:16px;margin-bottom:14px;
  border-top:5px solid var(--med-color);box-shadow:0 1px 3px rgba(28,39,51,0.06);
}
.med-safety-card .head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.med-safety-card .dot{width:14px;height:14px;border-radius:50%;background:var(--med-color)}
.med-safety-card h3{font-family:var(--font-display);margin:0;font-size:16px}
.med-safety-card .role{font-size:12px;color:var(--ink-muted)}
.med-safety-card .facts{font-size:13.5px;color:var(--ink);line-height:1.5;margin:8px 0}
.med-safety-card .facts li{margin-bottom:4px}
.plan-box{background:var(--bg);border-radius:10px;padding:12px;margin-top:10px}
.plan-box .plan-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-muted);margin-bottom:8px}
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.plan-grid .field{margin-bottom:0}
.source{font-size:11px;color:var(--ink-muted);margin-top:8px}

.small{font-size:11.5px}
.muted{color:var(--ink-muted)}

.toast{
  position:fixed;bottom:18px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;
  font-size:13px;font-weight:600;box-shadow:0 4px 14px rgba(0,0,0,0.2);z-index:50;
}

@media (max-width:380px){
  .hero{grid-template-columns:1fr 1fr 1fr;gap:6px}
  .status-card{padding:9px 7px}
  .status-card .elapsed{font-size:16px}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
}

/* ---------- Onboarding (create / join household) ---------- */
.onboard{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.onboard-card{
  background:var(--surface);border-radius:18px;padding:28px 24px;max-width:380px;width:100%;
  box-shadow:0 4px 20px rgba(28,39,51,0.08);
}
.onboard-mark{
  width:44px;height:44px;border-radius:12px;margin-bottom:14px;
  background:linear-gradient(135deg,var(--ventolin) 0 33%, var(--flixotide) 33% 66%, var(--atrovent) 66% 100%);
}
.onboard-card h1{font-family:var(--font-display);font-size:22px;margin:0 0 4px}
.onboard-card p.muted{margin:0 0 18px}
.onboard-tabs{display:flex;gap:4px;background:var(--bg);border-radius:10px;padding:4px;margin-bottom:16px}
.onboard-tabs button{
  flex:1;border:none;background:transparent;padding:8px;border-radius:7px;font-weight:600;font-size:13px;cursor:pointer;color:var(--ink-muted);
}
.onboard-tabs button.active{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,0.08)}
.onboard-error{color:var(--danger);font-size:13px;margin-top:8px}
.code-display{
  font-family:var(--font-mono);font-size:28px;font-weight:600;letter-spacing:.12em;
  text-align:center;background:var(--bg);border-radius:12px;padding:16px;margin:14px 0;color:var(--accent-ink);
}

/* ---------- Symptom / severity log ---------- */
.severity-picker{display:flex;gap:8px}
.severity-opt{
  flex:1;border:1px solid var(--line);border-radius:10px;padding:9px 4px;text-align:center;
  font-size:12.5px;font-weight:600;cursor:pointer;background:#fff;color:var(--ink-muted);
}
.severity-opt.selected{color:#fff}
.severity-opt[data-level="mild"].selected{background:#4E9F5B;border-color:#4E9F5B}
.severity-opt[data-level="moderate"].selected{background:#E38318;border-color:#E38318}
.severity-opt[data-level="severe"].selected{background:var(--danger);border-color:var(--danger)}
.symptom-tags{display:flex;flex-wrap:wrap;gap:8px}
.symptom-tag{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 13px;
  font-size:12.5px;font-weight:600;cursor:pointer;color:var(--ink-muted);
}
.symptom-tag.selected{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Refill / canister tracker ---------- */
.canister-card{
  background:var(--surface);border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;
  border-left:4px solid var(--med-color);box-shadow:0 1px 3px rgba(28,39,51,0.06);
}
.canister-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.canister-head .name{font-weight:600;font-size:14px}
.canister-head .remaining{font-family:var(--font-mono);font-size:13px;color:var(--ink-muted)}
.canister-bar{height:8px;border-radius:999px;background:var(--bg);overflow:hidden;margin-bottom:8px}
.canister-bar-fill{height:100%;background:var(--med-color);border-radius:999px}
.canister-bar-fill.low{background:var(--danger)}
.canister-meta{display:flex;justify-content:space-between;align-items:center}
.canister-meta .muted{font-size:12px}
.link-btn{background:none;border:none;color:var(--accent);font-weight:600;font-size:12.5px;cursor:pointer;padding:0}

/* ---------- Caregiver row ---------- */
.caregiver-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--bg);border-radius:999px;
  padding:5px 12px;font-size:12px;font-weight:600;color:var(--ink-muted);margin-bottom:12px;
}
.household-code-pill{
  font-family:var(--font-mono);letter-spacing:.06em;background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600;
  cursor:pointer;
}