:root{
  --bg:#f3f6ff;--card:#fff;--text:#4b4f5a;--muted:#7c8190;
  --primary:#4868ee;--primary-dark:#3452d4;--border:#d9deea;
  --danger:#ef4444;--shadow:0 12px 30px rgba(42,63,120,.12);
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}
.container{width:min(900px,94%);margin:auto;padding:26px 0 60px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:24px}
.brand{color:var(--primary);font-size:clamp(24px,5vw,38px);font-weight:800}
.card{background:var(--card);border:1px solid #edf0f6;border-radius:18px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:22px}
.tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid #edf0f6}
.tab{border:0;background:#fff;padding:20px 16px;font-size:18px;font-weight:700;color:#666b76;cursor:pointer;border-bottom:4px solid transparent}
.tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.panel{display:none;padding:28px 32px 34px}
.panel.active{display:block}
label{display:block;font-size:18px;font-weight:700;margin-bottom:12px}
input,textarea{width:100%;border:1px solid var(--border);border-radius:14px;padding:16px 18px;font-size:17px;color:var(--text);outline:none;background:#fff}
textarea{min-height:230px;resize:vertical;line-height:1.55}
input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(72,104,238,.12)}
.divider{margin:28px 0;border-top:1px dashed #d9deea}
.accordion{border:1px solid var(--border);border-radius:14px;overflow:hidden;margin-bottom:18px}
.accordion-toggle{width:100%;border:0;background:#fafbfe;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;font-size:17px;color:var(--text);cursor:pointer}
.accordion-content{display:none;padding:18px 20px;background:#fff;border-top:1px solid var(--border)}
.accordion.open .accordion-content{display:block}
.btn{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:11px;padding:11px 15px;font-size:14px;font-weight:700;cursor:pointer;text-decoration:none}
.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary-dark)}
.secondary{background:#eef2ff;color:var(--primary)}
.danger{background:#fff1f1;color:var(--danger);border:1px solid #ffd1d1}
.notice{margin:18px 32px 0;padding:14px 16px;border-radius:12px}
.success{background:#eaf8ef;color:#267344;border:1px solid #ccebd7}
.error{background:#fff0f0;color:#a13b3b;border:1px solid #f1cccc}
.results-card{padding:24px}
.results-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}
.results-head h2{margin:0}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:13px;border-bottom:1px solid #e7eaf1;text-align:left;vertical-align:middle}
th{background:#fafbfe;color:#6f7480;font-size:13px}
.short{color:var(--primary);font-weight:700}
.small{font-size:13px;color:var(--muted)}
@media(max-width:680px){
  .container{width:100%;padding:18px 14px 40px}
  .topbar{align-items:flex-start;flex-direction:column}
  .brand{font-size:27px}
  .panel{padding:22px 18px 26px}
  .notice{margin:16px 18px 0}
  .tab{font-size:16px}
  .results-card{padding:18px}
  .results-head{align-items:flex-start;flex-direction:column}
}