:root{--cyan:#0e7490;--dark:#0f172a;--muted:#64748b;--bg:#f8fafc;--border:#e2e8f0;--card:#fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--dark)}a{color:inherit;text-decoration:none}.site-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:16px 28px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:16px;background:var(--cyan);color:#fff;display:grid;place-items:center;font-weight:800}.brand strong{display:block;font-size:20px;color:var(--cyan)}.brand small{display:block;color:var(--muted);font-size:12px}.topnav{display:flex;gap:12px;align-items:center}.topnav a,.user-chip{padding:10px 13px;border-radius:12px;background:#fff;border:1px solid var(--border);font-size:14px}.footer{margin-top:auto;border-top:1px solid var(--border);padding:28px;display:flex;justify-content:space-between;color:var(--muted);background:#fff}.hero{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:70px 28px}.hero-copy h1{font-size:64px;line-height:1;letter-spacing:-.05em;margin:18px 0;color:#020617}.hero-copy p{font-size:18px;line-height:1.8;color:#475569}.eyebrow{color:var(--cyan);font-weight:800;text-transform:uppercase;letter-spacing:.18em;font-size:12px}.actions{display:flex;gap:12px;margin-top:28px}.button{display:inline-block;border:0;border-radius:16px;background:var(--cyan);color:#fff;font-weight:800;padding:13px 18px;cursor:pointer}.button.secondary{background:#fff;color:var(--cyan);border:1px solid #bae6fd}.hero-card,.panel,.login-card,.install-card{background:#fff;border:1px solid var(--border);border-radius:28px;box-shadow:0 8px 30px rgba(15,23,42,.06)}.hero-card{overflow:hidden}.hero-card-head,.dark{background:linear-gradient(135deg,#0f172a,#0e7490);color:#fff}.hero-card-head{padding:28px}.hero-card-head p,.dark .eyebrow{color:#cffafe}.section{max-width:1180px;margin:0 auto;padding:36px 28px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-grid.three{grid-template-columns:repeat(3,1fr)}.feature-grid.four{grid-template-columns:repeat(4,1fr)}.feature-grid>div{background:#fff;border:1px solid var(--border);border-radius:24px;padding:22px}.safety{background:#ecfeff;border:1px solid #bae6fd;border-radius:28px;margin-bottom:40px}.install-wrap,.login-page{max-width:780px;margin:60px auto;padding:20px}.install-card,.login-card,.panel{padding:26px}.stack{display:grid;gap:16px}.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{font-weight:700;font-size:14px}input,select,textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--border);border-radius:14px;padding:12px 14px;font:inherit;background:#fff}.check{display:flex;gap:10px;align-items:center}.check input{width:auto;margin:0}.alert{padding:14px 16px;border-radius:16px;margin:16px 0}.alert.error{background:#fee2e2;color:#991b1b}.alert.success{background:#dcfce7;color:#166534}.app-layout{max-width:1180px;margin:0 auto;padding:28px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.metric{border:1px solid var(--border);border-radius:24px;background:#fff;padding:20px}.metric span{font-size:26px}.metric b{display:block;font-size:27px;margin-top:8px}.metric small{color:var(--muted)}.metric-grid.compact{padding:22px}.tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;background:#fff;border-radius:22px;padding:8px;margin-bottom:22px;border:1px solid var(--border)}.tabs.small{display:flex;flex-wrap:wrap}.tabs a{padding:12px;border-radius:16px;text-align:center;font-weight:800;color:#475569}.tabs a.active{background:var(--cyan);color:#fff}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.inline-form{display:grid;grid-template-columns:1fr 1fr 1.2fr auto;gap:12px;align-items:end}.chart{margin-top:18px}.svg-chart,.svg-surgery{width:100%;height:auto}.surgery-svg{background:#fff;border-radius:28px}.card-list{display:grid;gap:12px}.callout{border-radius:18px;padding:16px}.callout.amber{background:#fef3c7;color:#92400e}.callout.green{background:#dcfce7;color:#166534}.clean-list{line-height:1.9;color:#475569}.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.result-card{border:1px solid var(--border);border-radius:22px;padding:18px;background:#fff}.result-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.result-value{font-size:24px;font-weight:900;color:var(--cyan);margin:8px 0}.badge{display:inline-flex;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;background:#f1f5f9;color:#475569;border:1px solid var(--border)}.badge.green{background:#ecfdf5;color:#047857;border-color:#a7f3d0}.badge.amber{background:#fffbeb;color:#92400e;border-color:#fde68a}.badge.blue{background:#ecfeff;color:#0e7490;border-color:#bae6fd}.report-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.report-meta div{background:rgba(255,255,255,.1);border-radius:16px;padding:14px}.report-meta small{display:block;color:#cffafe}.coach-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px}.coach-panel{display:flex;flex-direction:column;height:720px}.messages{flex:1;overflow:auto;background:#f8fafc;border:1px solid var(--border);border-radius:24px;padding:16px;display:grid;gap:14px;align-content:start}.message{max-width:88%;border-radius:22px;padding:14px}.message.coach{background:#fff;border:1px solid var(--border)}.message.patient{justify-self:end;background:var(--cyan);color:#fff}.message small{font-weight:900;text-transform:uppercase;letter-spacing:.1em;opacity:.7}.chat-form{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:14px}.prompt-button{text-align:left;border:1px solid var(--border);border-radius:16px;background:#f8fafc;padding:12px;font-weight:700;cursor:pointer}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;background:#fff}th,td{border-bottom:1px solid var(--border);padding:14px;text-align:left}th{color:#64748b;background:#f8fafc}.alert-panel{background:#fff1f2!important;border-color:#fecdd3!important}.help-text{font-size:12px;color:#64748b}.public{background:linear-gradient(135deg,#f0f9ff,#fff,#cffafe)}@media(max-width:900px){.hero,.grid-2,.coach-layout{grid-template-columns:1fr}.metric-grid,.feature-grid,.feature-grid.three,.feature-grid.four,.result-grid{grid-template-columns:1fr}.tabs{grid-template-columns:1fr 1fr}.inline-form{grid-template-columns:1fr}.hero-copy h1{font-size:42px}.topbar,.footer{flex-direction:column;gap:14px;align-items:flex-start}.topnav{flex-wrap:wrap}}

/* Security/legal additions */
.narrow{max-width:980px;margin:0 auto}.legal h2{margin-top:1.2rem}.legal p{line-height:1.75;color:#475569}.consent-form h2{margin-top:1.5rem}.button.secondary{background:#fff;color:#0e7490;border:1px solid #bae6fd}.button.secondary:hover{background:#ecfeff}.table-wrap{overflow:auto}.alert.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.alert.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.callout.rose{background:#fff1f2;border:1px solid #fecdd3;color:#9f1239}.footer a{color:#0e7490;text-decoration:none}.footer a:hover{text-decoration:underline}.check a{color:#0e7490;font-weight:700}.site-shell{min-height:100vh;display:flex;flex-direction:column}.footer{margin-top:auto}

/* AI patient information v0.4 */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.topic-card{border:1px solid var(--border);background:#f8fafc;border-radius:16px;padding:12px}.topic-card b{display:block;color:#0f172a}.topic-card small{display:block;margin-top:4px;color:#64748b;line-height:1.45}.coach-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.feedback-form{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.feedback-form button{border:1px solid var(--border);background:#fff;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;cursor:pointer}.feedback-form button:hover{background:#ecfeff;color:#0e7490}.result-card summary{cursor:pointer;line-height:1.8}.result-card details,.result-card form{margin-top:12px}.result-card form{padding-top:12px;border-top:1px solid var(--border)}@media(max-width:900px){.topic-grid{grid-template-columns:1fr}.coach-head{flex-direction:column}.feedback-form{display:none}}