*{box-sizing:border-box}
body{margin:0;background:#eef2f7;color:#0f172a;font-family:"TH Sarabun New","THSarabunNew","TH SarabunPSK",Tahoma,Arial,sans-serif;font-size:21px}
.wrapper{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f766e;color:#fff;padding:20px;position:fixed;top:0;left:0;bottom:0}
.brand{font-size:30px;font-weight:900;margin-bottom:18px}.sidebar a{display:block;color:#fff;text-decoration:none;padding:12px 14px;border-radius:12px;margin-bottom:8px;font-weight:900}.sidebar a:hover{background:rgba(255,255,255,.16)}
.main{margin-left:250px;width:calc(100% - 250px);padding:24px}.header{background:#fff;border-radius:18px;padding:18px 22px;margin-bottom:20px;box-shadow:0 10px 24px rgba(15,23,42,.08)}.header h1{margin:0;color:#0f766e;font-size:34px}
.card{background:#fff;border-radius:18px;padding:20px;margin-bottom:20px;box-shadow:0 10px 24px rgba(15,23,42,.08);overflow:auto}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
label{display:block;font-weight:900;margin-bottom:6px}input,select,textarea{width:100%;min-height:46px;border:1px solid #cbd5e1;border-radius:12px;padding:8px 12px;font-size:21px;font-family:inherit}textarea{min-height:90px}
table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid #e5e7eb;padding:10px 12px;text-align:left;vertical-align:top}th{background:#0f766e;color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:#0f766e;color:#fff;padding:9px 14px;text-decoration:none;font-weight:900;cursor:pointer;font-size:21px;font-family:inherit}.btn.blue{background:#2563eb}.btn.gray{background:#64748b}.btn.red{background:#dc2626}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.alert{padding:12px 14px;border-radius:14px;font-weight:900;margin-bottom:15px}.alert.ok{background:#dcfce7;color:#166534}.alert.err{background:#fee2e2;color:#991b1b}.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#e0f2fe;color:#075985;font-weight:900}
.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.sum-box{background:linear-gradient(135deg,#0f766e,#2563eb);color:white;border-radius:18px;padding:18px}.sum-box .num{font-size:32px;font-weight:900}
@media(max-width:850px){.wrapper{display:block}.sidebar{position:relative;width:100%;height:auto}.main{margin-left:0;width:100%;padding:12px}.grid-2,.grid-3{grid-template-columns:1fr}}
@media print{.sidebar,.no-print,.header{display:none!important}.main{margin:0;width:100%;padding:0}.card{box-shadow:none;border:0}}