:root{
  --pink:#ec4899; --pink-soft:#fce7f3; --pink-dark:#be185d;
  --blue:#3b82f6; --blue-soft:#dbeafe; --blue-dark:#1d4ed8;
  --bg:#f6f7fb; --card:#ffffff; --ink:#1f2937; --muted:#6b7280;
  --line:#e5e7eb; --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --radius:14px; --shadow:0 6px 24px rgba(17,24,39,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg); color:var(--ink); -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.wrap{max-width:760px;margin:0 auto;padding:18px 16px 60px}
.topbar{
  position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;gap:10px;
}
.topbar .brand{font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px}
.topbar .brand .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--blue))}
.topbar .spacer{flex:1}
.topbar a{color:var(--muted);text-decoration:none;font-size:14px;padding:6px 10px;border-radius:8px}
.topbar a:hover{background:var(--bg)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin:14px 0}
.card h2{margin:0 0 4px;font-size:18px}
.card .sub{color:var(--muted);font-size:13px;margin-bottom:14px}

.field{margin:12px 0}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field .hint{font-size:12px;color:var(--muted);font-weight:400;margin-top:4px}
.input,.select,textarea,select{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px;
  background:#fff;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s;
}
.input:focus,.select:focus,textarea:focus,select:focus{border-color:var(--pink);box-shadow:0 0 0 3px var(--pink-soft)}
.row{display:flex;gap:10px}
.row>*{flex:1}
.radio-row{display:flex;gap:10px}
.radio-row label{
  flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:11px;border:1px solid var(--line);
  border-radius:10px;cursor:pointer;font-size:15px;background:#fff;
}
.radio-row input{display:none}
.radio-row label.female.checked{background:var(--pink-soft);border-color:var(--pink);color:var(--pink-dark)}
.radio-row label.male.checked{background:var(--blue-soft);border-color:var(--blue);color:var(--blue-dark)}
.checkbox-row{display:flex;align-items:center;gap:8px;font-size:14px}
.checkbox-row input{width:18px;height:18px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  padding:12px 18px;border-radius:10px;font-size:15px;font-weight:600;background:var(--pink);color:#fff;
  transition:transform .05s,opacity .15s;text-decoration:none;
}
.btn:hover{opacity:.92}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.blue{background:var(--blue)}
.btn.ghost{background:transparent;color:var(--pink);border:1px solid var(--pink)}
.btn.block{width:100%}
.btn.sm{padding:8px 12px;font-size:13px}

.tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.tag.female{background:var(--pink-soft);color:var(--pink-dark)}
.tag.male{background:var(--blue-soft);color:var(--blue-dark)}
.tag.ok{background:#dcfce7;color:#166534}
.tag.warn{background:#fef3c7;color:#92400e}

.banner{padding:14px 16px;border-radius:12px;margin:14px 0;font-size:14px}
.banner.ok{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.banner.err{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.banner.info{background:var(--blue-soft);color:var(--blue-dark);border:1px solid #bfdbfe}
.banner.warn{background:#fef3c7;color:#92400e;border:1px solid #fde68a}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:100;background:#111827;color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;box-shadow:0 8px 30px rgba(0,0,0,.2)}
#toast.show{opacity:1}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:#fafafa}

/* landing nav cards */
.nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.nav-card{
  display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 16px;box-shadow:var(--shadow);text-align:center;transition:transform .1s;
}
.nav-card:hover{transform:translateY(-2px)}
.nav-card .ico{font-size:30px;margin-bottom:8px}
.nav-card .t{font-weight:700;font-size:15px}
.nav-card .d{font-size:12px;color:var(--muted);margin-top:4px}
.nav-card.pink{border-top:3px solid var(--pink)}
.nav-card.blue{border-top:3px solid var(--blue)}
.nav-card.green{border-top:3px solid var(--ok)}
.nav-card.gray{border-top:3px solid var(--muted)}

/* scoring list */
.score-list{display:flex;flex-direction:column;gap:8px}
.score-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.score-row .num{
  width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  background:var(--pink-soft);color:var(--pink-dark);flex-shrink:0;
}
.score-row .label{flex:1;font-size:14px}
.score-row select{width:120px}
.score-notes{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:10px 12px;font-size:12px;color:#92400e}
.score-notes b{color:#92400e}

/* ranking */
.ranking-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13px;font-weight:600;color:var(--muted)}
.tab.active.pink{background:var(--pink);color:#fff;border-color:var(--pink)}
.tab.active.blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.tab.active.green{background:var(--ok);color:#fff;border-color:var(--ok)}
.rank-list{display:flex;flex-direction:column;gap:6px}
.rank-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;background:#fff;border:1px solid var(--line)}
.rank-row .rk{width:34px;text-align:center;font-weight:800;font-size:16px;color:var(--muted)}
.rank-row .rk.top1{color:#d97706}
.rank-row .rk.top2{color:#6b7280}
.rank-row .rk.top3{color:#b45309}
.rank-row .num{font-weight:700;font-size:15px;min-width:64px}
.rank-row .num.f{color:var(--pink-dark)}
.rank-row .avg{margin-left:auto;font-weight:800;font-size:17px}
.rank-row .cnt{font-size:11px;color:var(--muted);min-width:54px;text-align:right}
.empty{padding:30px;text-align:center;color:var(--muted);font-size:14px}

/* big-screen mode */
.big .wrap{max-width:1500px}
.big .rank-row{padding:14px 16px;font-size:18px}
.big .rank-row .rk{font-size:24px;width:54px}
.big .rank-row .num{font-size:22px;min-width:90px}
.big .rank-row .avg{font-size:26px}
.big .rank-row .cnt{font-size:14px}
.big .card h2{font-size:26px}
.big .nav-grid{grid-template-columns:repeat(3,1fr)}

.muted{color:var(--muted)}
.small{font-size:12px}
.right{text-align:right}
.center{text-align:center}
.hidden{display:none!important}
.step{display:none}
.step.active{display:block}
.steps-dots{display:flex;gap:6px;justify-content:center;margin:6px 0 14px}
.steps-dots .d{width:8px;height:8px;border-radius:50%;background:var(--line)}
.steps-dots .d.active{background:var(--pink)}
.divider{height:1px;background:var(--line);margin:14px 0}

.qr-box{display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px}
.qr-box img{width:160px;height:160px;border:1px solid var(--line);border-radius:10px;background:#fff}
.qr-box .url{font-size:12px;color:var(--muted);word-break:break-all;text-align:center}

.kv{display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px}
.kv .k{color:var(--muted)}
.kv .v{font-weight:600;text-align:right}