*{box-sizing:border-box}body{margin:0;font-family:Arial,'Microsoft JhengHei',sans-serif;background:#f3f6fb;color:#1f2937}header{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;background:#0f4c81;color:#fff}header h1{font-size:20px;margin:0}header a{color:#fff;text-decoration:none;background:#1f6fab;padding:8px 12px;border-radius:8px}main{padding:18px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:14px}.card{background:#fff;border-radius:14px;padding:16px;box-shadow:0 4px 14px rgba(15,76,129,.1)}.card span{display:block;color:#667085;margin-bottom:8px}.card b{font-size:22px}.toolbar{display:flex;gap:10px;flex-wrap:wrap;background:#fff;border-radius:14px;padding:12px;margin-bottom:14px;box-shadow:0 4px 14px rgba(15,76,129,.08)}input{padding:10px;border:1px solid #d0d5dd;border-radius:9px}button,.btn{border:0;background:#0f4c81;color:#fff;text-decoration:none;border-radius:9px;padding:10px 14px}.table-wrap{overflow:auto;background:#fff;border-radius:14px;box-shadow:0 4px 14px rgba(15,76,129,.08)}table{border-collapse:collapse;width:100%;min-width:780px}th,td{border-bottom:1px solid #edf2f7;padding:10px;text-align:left}th{background:#f8fafc}.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:min(380px,92vw);background:#fff;border-radius:18px;padding:24px;box-shadow:0 10px 30px rgba(15,76,129,.18);display:flex;flex-direction:column;gap:10px}.login-card h2{text-align:center;margin:0 0 10px}.login-card button{margin-top:8px}.err{background:#fff1f1;color:#b42318;padding:10px;border-radius:10px}@media(max-width:760px){.cards{grid-template-columns:1fr}header{padding:14px}main{padding:12px}.toolbar{flex-direction:column}.toolbar input,.toolbar button,.toolbar .btn{width:100%}}