:root{--blue:#1559b7;--navy:#123c68;--teal:#08a795;--bg:#f3f6f9;--border:#dfe7ee;--text:#243442;--muted:#6c7b88}*{box-sizing:border-box}body{margin:0;font-family:"Sarabun","Noto Sans Thai",Tahoma,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--blue);text-decoration:none}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:10}.brand{font-size:20px;font-weight:800;color:var(--navy)}.brand span{font-weight:600;color:var(--teal);margin-left:8px}.top-actions{display:flex;gap:14px;align-items:center;font-size:14px;color:var(--muted)}.app-shell{display:flex;min-height:calc(100vh - 64px)}.sidebar{width:230px;background:linear-gradient(180deg,#123c68,#1559b7);padding:22px 14px}.sidebar a{display:block;color:#fff;padding:12px 14px;border-radius:10px;margin-bottom:7px}.sidebar a:hover{background:rgba(255,255,255,.13)}.content{flex:1;padding:28px;max-width:1400px}.page-title h1{margin:0 0 20px;font-size:28px;color:var(--navy)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:0 4px 14px rgba(20,57,88,.04);margin-bottom:16px}.stat .num{font-size:30px;font-weight:800;color:var(--navy)}.stat .label{color:var(--muted);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:10px 16px;font-weight:700;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-success{background:#169c6b;color:#fff}.btn-danger{background:#d94a4a;color:#fff}.btn-warning{background:#f2a51a;color:#fff}.btn-light{background:#eef3f7;color:var(--navy)}.btn-sm{padding:7px 11px;font-size:13px}.actions{display:flex;gap:8px;flex-wrap:wrap}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.table th{background:#f7fafc;color:#52616c;font-size:13px}.badge{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700}.badge.primary{background:#e6f0fd;color:#1559b7}.badge.success{background:#e6f8f0;color:#117751}.badge.warning{background:#fff3d7;color:#916100}.badge.danger{background:#fde9e9;color:#a42626}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}.alert.success{background:#e6f8f0;color:#116d4a}.alert.danger{background:#fdeaea;color:#982424}.alert.warning{background:#fff4d8;color:#805700}.alert.info{background:#e9f2fd;color:#174d87}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px;color:#4c5d69}.field input,.field select,.field textarea{width:100%;border:1px solid #cdd8e1;border-radius:9px;padding:10px 12px;font:inherit;background:#fff}.field textarea{min-height:90px}.muted{color:var(--muted)}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.summary>div{padding:12px;background:#f8fafc;border-radius:10px}.summary strong{display:block;color:var(--navy);margin-top:3px}.timeline{border-left:3px solid #dbe5ee;margin-left:8px;padding-left:18px}.timeline-item{position:relative;padding:0 0 18px}.timeline-item:before{content:"";width:11px;height:11px;border-radius:50%;background:var(--teal);position:absolute;left:-25px;top:5px}.timeline-item small{color:var(--muted)}.login-wrap{max-width:460px;margin:70px auto}.hero{background:linear-gradient(135deg,#123c68,#1559b7);color:#fff;border-radius:18px;padding:24px;margin-bottom:18px}.hero h2{margin:0 0 8px}.empty{padding:30px;text-align:center;color:var(--muted)}@media(max-width:900px){.sidebar{width:180px}.grid{grid-template-columns:repeat(2,1fr)}.summary{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}}@media(max-width:640px){.sidebar{display:none}.content{padding:16px}.grid{grid-template-columns:1fr}.brand span{display:none}.top-actions span{display:none}}