:root{
  --bg:#f3f5f9;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --primary:#0f172a;
  --primary2:#1e293b;
  --accent:#facc15;
  --danger:#dc2626;
  --success:#16a34a;
  --warning:#d97706;
  --radius:22px;
  --shadow:0 18px 45px rgba(15,23,42,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
body{min-height:100vh;padding-bottom:92px}
a{color:inherit;text-decoration:none}
.app-shell{max-width:720px;margin:0 auto;padding:18px 14px 110px}
.top-header{background:linear-gradient(135deg,#0f172a,#263449);color:#fff;border-radius:0 0 28px 28px;padding:26px 18px 24px;margin:-18px -14px 18px;box-shadow:var(--shadow)}
.eyebrow{display:inline-flex;background:rgba(250,204,21,.18);color:#fde68a;border:1px solid rgba(250,204,21,.28);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
h1{font-size:25px;line-height:1.1;margin:0;font-weight:900}
h2,h3{margin:0 0 14px;font-size:18px}
.card,.list-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:0 10px 28px rgba(15,23,42,.06)}
.form-stack{display:grid;gap:13px}
label{font-size:13px;font-weight:800;color:#334155;display:grid;gap:7px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:15px;background:#fff;color:var(--text);font:inherit;font-size:16px;padding:13px 13px;outline:none}
input:focus,select:focus,textarea:focus{border-color:#94a3b8;box-shadow:0 0 0 4px rgba(15,23,42,.08)}
input[readonly]{background:#f8fafc;color:#475569}
.checks-box{background:#f8fafc;border:1px solid var(--line);border-radius:18px;padding:13px;display:grid;gap:10px}
.field-title{font-size:13px;font-weight:900;color:#334155}
.check-line{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;color:#0f172a}
.check-line input{width:21px;height:21px;accent-color:var(--primary)}
.signature-wrap{display:grid;gap:9px}
canvas#signaturePad{width:100%;height:180px;background:#fff;border:2px dashed #cbd5e1;border-radius:18px;touch-action:none}
.signature-actions{display:flex;justify-content:flex-end}
.btn{border:0;border-radius:16px;padding:13px 16px;font-weight:900;font-size:15px;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:8px}
.btn.primary{background:var(--primary);color:#fff;box-shadow:0 14px 24px rgba(15,23,42,.20)}
.btn.secondary{background:#e2e8f0;color:#0f172a}
.btn.full{width:100%}
.alert{border-radius:16px;padding:12px 14px;margin-bottom:14px;font-weight:800;font-size:14px}
.alert.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert.warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.alert.danger{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.choice-grid{display:grid;gap:14px;margin-top:8px}
.choice-card{min-height:130px;border-radius:24px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;text-align:center;font-weight:950;font-size:20px;box-shadow:var(--shadow);padding:20px}
.choice-card:nth-child(1){background:linear-gradient(135deg,#fff,#fef9c3)}
.choice-card:nth-child(2){background:linear-gradient(135deg,#fff,#dbeafe)}
.list-card{display:grid;gap:8px}
.list-row{display:grid;gap:4px;padding:13px;border:1px solid var(--line);border-radius:15px;background:#fff}
.list-row strong{font-size:14px}
.list-row small{font-size:12px;color:var(--muted);line-height:1.35}
.list-row.no-link{background:#f8fafc}
.help-text{font-size:13px;color:var(--muted);line-height:1.45;margin:12px 2px 0}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;z-index:50;width:min(720px,100%);background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);display:grid;gap:6px;padding:9px 10px calc(9px + env(safe-area-inset-bottom));box-shadow:0 -12px 35px rgba(15,23,42,.10)}
.main-nav{grid-template-columns:repeat(3,1fr)}
.sub-nav{grid-template-columns:repeat(4,1fr)}
.bottom-nav a{min-height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;text-align:center;padding:8px 6px;font-size:12px;font-weight:900;color:#475569;background:#f8fafc;border:1px solid #edf2f7}
.bottom-nav a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
@media (max-width:390px){
  .bottom-nav a{font-size:11px;padding:7px 4px}
  .app-shell{padding-left:10px;padding-right:10px}
  .top-header{margin-left:-10px;margin-right:-10px}
}