:root{--bg:#f5f7fa;--card:#fff;--text:#16202a;--muted:#667085;--line:#e5e7eb;--brand:#1d4ed8;--danger:#b42318;--success:#027a48;--warning:#b54708}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--brand);text-decoration:none}header{background:#111827;color:#fff;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}header a{color:#fff}nav{display:flex;gap:14px;flex-wrap:wrap}.container{max-width:1400px;margin:0 auto;padding:22px}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.stat strong{display:block;font-size:28px;margin-top:7px}.muted{color:var(--muted)}.actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.btn{display:inline-block;border:0;border-radius:7px;padding:10px 14px;background:var(--brand);color:#fff;cursor:pointer;font-size:14px}.btn.secondary{background:#475467}.btn.danger{background:var(--danger)}.btn.success{background:var(--success)}.btn.small{padding:7px 10px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:10px}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f9fafb;font-size:13px}form.inline{display:inline}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}label{font-weight:600;font-size:14px}input,select,textarea{width:100%;padding:10px;border:1px solid #cfd4dc;border-radius:7px;background:#fff;font:inherit}textarea{min-height:90px}.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px}.alert.error{background:#fef3f2;color:var(--danger)}.alert.success{background:#ecfdf3;color:var(--success)}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef2ff;font-size:12px}.login{max-width:430px;margin:10vh auto}.item-row{display:grid;grid-template-columns:2fr .6fr 1fr 1fr auto;gap:8px;align-items:end;padding:10px 0;border-bottom:1px solid var(--line)}h1,h2,h3{margin-top:0}.mobile-action{width:100%;padding:14px;margin-bottom:8px;font-size:16px}@media(max-width:900px){.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}.container{padding:14px}.item-row{grid-template-columns:1fr 1fr}.item-row .wide{grid-column:1/-1}header{align-items:flex-start;gap:12px;flex-direction:column}nav{font-size:14px}}