@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');
:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e5e7eb;--primary:#2563eb;--good:#15803d;--warn:#b45309;--bad:#b91c1c;--nav:#0f172a}
*{box-sizing:border-box}body{margin:0;font-family:'Sarabun',sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--nav);color:#e5e7eb;padding:22px 16px}.brand{font-weight:700;font-size:20px;margin:0 8px 24px}.nav a{display:block;padding:11px 12px;border-radius:10px;margin:5px 0}.nav a:hover{background:#1e293b}.main{padding:24px 28px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.title h1{font-size:26px;margin:0}.muted{color:var(--muted)}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 2px 8px rgba(15,23,42,.04)}.metric{font-size:30px;font-weight:700;margin-top:8px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px;border-bottom:1px solid var(--line);text-align:left}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:600}.good{background:#dcfce7;color:var(--good)}.watch{background:#fef3c7;color:var(--warn)}.bad{background:#fee2e2;color:var(--bad)}.btn{display:inline-block;border:0;border-radius:10px;padding:10px 14px;background:var(--primary);color:#fff;cursor:pointer}.btn.secondary{background:#334155}.filters{display:flex;gap:10px;flex-wrap:wrap}.filters select,.filters input,.form-control{padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}.login-wrap{min-height:100vh;display:grid;place-items:center}.login{width:min(420px,92vw)}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;background:#eff6ff;border:1px solid #bfdbfe}.alert.error{background:#fef2f2;border-color:#fecaca}.bar{height:8px;background:#e5e7eb;border-radius:999px;overflow:hidden}.bar>i{display:block;height:100%;background:#2563eb}.split{display:grid;grid-template-columns:2fr 1fr;gap:16px}@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:none}.cards,.split{grid-template-columns:1fr 1fr}.main{padding:18px}}@media(max-width:600px){.cards,.split{grid-template-columns:1fr}}