:root{--bg:#f4f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#dde5ef;--primary:#2563eb;--primary2:#1d4ed8;--danger:#dc2626;--success:#059669;--shadow:0 10px 30px rgba(15,23,42,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#edf4ff 0%,#f7f9fc 100%);color:var(--text)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#0f172a;color:#fff;position:sticky;top:0}.brand{font-size:22px;font-weight:700}.toplinks a{color:#dbeafe;margin-left:18px}.page{max-width:1180px;margin:24px auto;padding:0 16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.stat{padding:18px;border-radius:16px;background:#f8fbff;border:1px solid var(--line)}.stat .n{font-size:28px;font-weight:800}label{display:block;margin:12px 0 6px;font-weight:600}input[type=text],input[type=password],input[type=email],input[type=file],textarea,select{width:100%;padding:12px 14px;border:1px solid #c9d5e6;border-radius:12px;background:#fff;font-size:15px}textarea{min-height:100px}.btn{display:inline-block;border:none;border-radius:12px;padding:12px 16px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer}.btn:hover{background:var(--primary2);text-decoration:none}.btn-secondary{background:#111827}.btn-light{background:#e5eefc;color:#123}.alert{padding:14px 16px;border-radius:14px;margin-bottom:18px;font-weight:600}.alert-success{background:#dcfce7;color:#14532d}.alert-error{background:#fee2e2;color:#991b1b}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center}@media(max-width:860px){.hero{grid-template-columns:1fr}}.dropzone{border:2px dashed #8bb5ff;border-radius:18px;padding:28px;text-align:center;background:#f8fbff}.dropzone.drag{background:#eaf2ff;border-color:var(--primary)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eaf2ff;color:#1747a6;font-size:12px;font-weight:700}.empty{padding:20px;border:1px dashed var(--line);border-radius:16px;color:var(--muted);text-align:center}.small{font-size:12px;color:var(--muted)}