:root{
  --blue:#0d5cab; --blue2:#1577d3; --ink:#0d2745; --muted:#64748b;
  --line:#dbe5ef; --soft:#eff6ff; --bg:#f6f8fb; --ok:#08783e; --warn:#9a6700;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
body{min-height:100vh}
#app{max-width:720px;margin:0 auto;min-height:100vh;background:#fff;box-shadow:0 0 40px rgba(15,23,42,.08)}
.hidden{display:none!important}

.splash-screen{
  min-height:100vh;
  min-height:100svh;
  display:grid;
  place-items:center;
  background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);
  padding:clamp(18px,5vw,32px);
}
.splash-card{
  width:min(100%,420px);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:clamp(18px,5vw,34px);
  margin:auto;
}
.splash-logo{
  display:block;
  width:clamp(220px,78vw,330px);
  max-width:100%;
  height:auto;
  object-fit:contain;
  object-position:center;
  margin:0 auto clamp(14px,4vw,22px);
}
.splash-subtitle{
  width:100%;
  margin:0 0 clamp(22px,6vw,30px);
  color:var(--muted);
  font-size:clamp(17px,4.7vw,20px);
  line-height:1.25;
  font-weight:650;
  text-align:center;
}
.splash-btn{
  width:min(100%,280px);
  max-width:280px;
  flex:0 0 auto;
  margin:0 auto;
}

.topbar{display:flex;align-items:flex-start;justify-content:space-between;padding:16px 18px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);z-index:5}
.brand-wrap{display:flex;flex-direction:column;gap:6px}
.brand-logo{width:180px;max-width:52vw;height:auto;display:block}
.topbar p{margin:0;color:var(--muted);font-size:13px;font-weight:650}
.sync-pill{font-size:12px;padding:7px 9px;border-radius:999px;background:#eef2f7;color:#475569;font-weight:700}
main{padding:14px 16px 110px}
.progress{display:flex;align-items:center;margin:3px 0 18px}
.progress span{height:2px;flex:1;background:var(--line)}
.step-dot{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;color:#64748b;font-weight:800}
.step-dot.active,.step-dot.done{background:var(--blue);color:#fff;border-color:var(--blue)}
.step{display:none}
.step.active{display:block}
.section-title{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);margin-bottom:14px}
.section-title h2{font-size:20px;margin:0 0 10px}
.section-title span{font-size:12px;color:var(--muted)}
label{font-weight:650;font-size:14px}
label span{font-weight:400;color:var(--muted)}
.field-label{display:block;margin:10px 0 6px}
.field-label b{color:#c62828}
input[type=text],input[type=email],input[type=password],input[list]{width:100%;padding:13px;border:1px solid #b7c7d8;border-radius:10px;font-size:16px;background:#fff;color:var(--ink)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.two-col label{display:flex;flex-direction:column;gap:6px}
.small-note{margin:6px 2px 8px;font-size:12px;color:var(--muted)}
.photo-box{border:1px solid var(--line);border-radius:14px;padding:14px;margin-top:16px;background:#fbfdff}
.photo-box strong{font-size:15px}
.muted{color:var(--muted);font-weight:400}
.photo-box p{font-size:12px;margin:5px 0 12px}
.photo-btn{display:flex;justify-content:center;align-items:center;border:1px dashed #84a6c8;border-radius:12px;padding:15px;background:var(--soft);color:var(--blue);cursor:pointer}
.preview{display:block;width:100%;max-height:230px;object-fit:contain;margin-top:12px;border-radius:10px;background:#eef2f7}
.link-btn{border:0;background:none;color:#b42318;padding:8px 0;font-weight:700}
.question-block{margin:0 0 18px}
.question-block h3{font-size:16px;line-height:1.3;margin:0;padding:11px 12px;background:var(--soft);border-radius:10px}
.hint{font-size:12px;color:var(--muted);margin:5px 2px 8px}
.prompt{font-weight:800;margin:14px 0 8px;font-size:14px}
.check-list{display:flex;flex-direction:column;gap:6px}
.check-list label,.choice-grid label{display:flex;align-items:flex-start;gap:9px;border:1px solid var(--line);border-radius:10px;padding:10px 11px;background:#fff;font-weight:500;line-height:1.25}
.check-list input,.choice-grid input{margin-top:2px;width:18px;height:18px;accent-color:var(--blue);flex:0 0 auto}
.check-list label:has(input:checked),.choice-grid label:has(input:checked){border-color:#7eb7eb;background:#eef7ff}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.internal{border:1px solid #b8d8f6;border-radius:14px;padding:12px;background:#fbfdff}
.save-note{padding:12px;border-radius:10px;background:#f0fdf4;color:#14532d;font-size:13px;margin:16px 0}
.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;max-width:720px;width:100%;display:flex;gap:9px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom));z-index:6}
button{font:inherit}
.primary,.secondary{border-radius:10px;padding:13px 15px;font-weight:800;cursor:pointer}
.primary{border:0;background:linear-gradient(180deg,var(--blue2),var(--blue));color:#fff;flex:1}
.secondary{border:1px solid #b7c7d8;background:#fff;color:var(--blue);flex:1}
.small{padding:9px 11px;flex:0 0 auto}
.card{border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0;background:#fff}
.card h2{margin-top:0}
.card label{display:flex;flex-direction:column;gap:5px;margin:10px 0}
.saved-panel{margin-top:20px}
.saved-head{display:flex;justify-content:space-between;align-items:center}
.status{font-size:13px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:86px;background:#0f172a;color:#fff;border-radius:10px;padding:11px 14px;z-index:20;font-weight:700;font-size:13px;box-shadow:0 8px 30px rgba(0,0,0,.2)}
.save-banner{margin:0 0 12px;padding:12px 14px;border-radius:12px;background:#f0fdf4;border:1px solid #86efac;color:#14532d;font-weight:800;font-size:14px;position:sticky;top:78px;z-index:4;box-shadow:0 5px 16px rgba(15,23,42,.08)}
.save-banner.warn{background:#fffbeb;border-color:#fcd34d;color:#78350f}
.save-banner.error{background:#fef2f2;border-color:#fca5a5;color:#7f1d1d}
@media(max-width:560px){
  .two-col{grid-template-columns:1fr}
  .choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  main{padding-left:13px;padding-right:13px}
  .brand-logo{width:150px}
  .splash-card{padding:18px 10px}
  .splash-logo{width:min(82vw,300px)}
}
@media(max-width:360px){
  .splash-logo{width:min(84vw,270px)}
  .splash-subtitle{font-size:16px}
  .splash-btn{max-width:240px}
}


.combo-wrap{position:relative}
.combo-wrap input{padding-right:46px}
.combo-toggle{position:absolute;right:4px;top:4px;width:38px;height:38px;border:0;background:transparent;color:var(--blue);font-size:22px;font-weight:800;cursor:pointer;border-radius:8px}
.combo-toggle:active{background:var(--soft)}
.combo-menu{position:absolute;left:0;right:0;top:calc(100% + 5px);z-index:30;background:#fff;border:1px solid #b7c7d8;border-radius:12px;box-shadow:0 12px 28px rgba(15,23,42,.14);max-height:280px;overflow:auto;padding:6px}
.combo-item,.combo-add,.combo-empty{width:100%;display:block;text-align:left;border:0;background:#fff;padding:11px 12px;border-radius:8px;font-size:14px;color:var(--ink)}
.combo-item{cursor:pointer}
.combo-item:active,.combo-item:hover{background:var(--soft)}
.combo-add{margin-top:5px;border-top:1px solid var(--line);border-radius:0 0 8px 8px;color:var(--blue);font-weight:800;cursor:pointer}
.combo-add:active,.combo-add:hover{background:var(--soft)}
.combo-empty{color:var(--muted);font-style:italic}