:root{--bg:#f4f6f8;--surface:#fff;--text:#18212b;--muted:#697586;--line:#e5e7eb;--primary:#111827;--tag:#eef2f7;--danger-bg:#fef2f2;--danger:#991b1b;--radius:16px;--shadow:0 8px 28px rgba(15,23,42,.07)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.5}.container{width:min(1180px,calc(100% - 32px));margin:36px auto 60px}.hero{margin-bottom:22px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.13em;color:var(--muted);margin-bottom:6px}.hero h1{margin:0 0 6px;font-size:36px}.hero p{margin:0;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:18px}.upload-card form{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.file-label{width:100%;font-weight:700}.upload-card input[type=file]{width:100%;padding:10px 0;color:var(--text)}button{border:0;border-radius:10px;padding:11px 18px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer}button:hover{opacity:.92}.hint{width:100%;color:var(--muted);font-size:13px}.hint code{background:#f1f3f5;padding:2px 5px;border-radius:5px}.alert{margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:18px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.stat-card span{font-size:13px;color:var(--muted)}.stat-card strong{display:block;margin-top:5px;font-size:28px}.section-head{display:flex;justify-content:space-between;gap:12px;align-items:end;margin-bottom:12px}.section-head h2{margin:0 0 4px}.section-head p{margin:0;color:var(--muted);font-size:13px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}table{width:100%;border-collapse:collapse;min-width:680px}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#f8fafc;font-size:13px}tbody tr:hover{background:#fafafa}.num{text-align:right;font-variant-numeric:tabular-nums}.tag{display:inline-block;padding:3px 8px;border-radius:999px;background:var(--tag);font-size:12px}.overall-card{display:grid;grid-template-columns:1fr auto;column-gap:20px;align-items:center}.overall-card h2{margin:0 0 4px}.overall-card p{margin:0;color:var(--muted);font-size:13px}.overall-card strong{font-size:42px}.overall-card small{grid-column:2;text-align:right;color:var(--muted)}@media(max-width:700px){.container{width:min(100% - 20px,1180px);margin-top:24px}.hero h1{font-size:30px}.card{padding:16px}.overall-card{grid-template-columns:1fr}.overall-card strong{margin-top:10px}.overall-card small{grid-column:1;text-align:left}}

.average-row th,.average-row td{font-weight:700;background:#f3f4f6;border-top:2px solid var(--line)}tfoot th{background:#f8fafc}