:root{font-family:Arial,sans-serif;color:#22332d;background:#f4f7f6;font-size:14px;letter-spacing:0}*{box-sizing:border-box}body{margin:0;display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}aside{background:white;border-right:1px solid #dce5e0;padding:28px 20px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#172d22;font-size:16px}.brand img{width:42px;height:42px;object-fit:contain}.brand b{display:block;font-size:13px;color:#658071;margin-top:4px}.caption{font-size:10px;color:#778a80;font-weight:700;margin:30px 0 16px}nav{display:grid;gap:7px}button{font:inherit;cursor:pointer;border:1px solid #d4dfd9;border-radius:5px;background:white;color:#30493c;padding:10px 14px;min-height:40px}button:disabled{opacity:.55;cursor:wait}nav button{text-align:left;border-color:transparent}nav .selected{background:#e7f4eb;color:#13723e;font-weight:700;border-left:3px solid #278e52}.aside-bottom{margin-top:auto;padding-top:48px;font-size:12px;color:#728378}.dot{display:inline-block;width:7px;height:7px;background:#3c9e68;border-radius:50%;margin-right:5px}main{padding:30px 36px;min-width:0}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce5e0;padding-bottom:22px;margin-bottom:26px}header .caption{margin:0 0 10px}h1{font-size:26px;margin:0}h2{font-size:18px;margin:0 0 18px}h3{font-size:14px}#refresh{font-size:24px;width:42px;height:42px;padding:0}#notice{padding:14px;background:#e6f3eb;border:1px solid #b9dbc6;border-radius:5px;margin-bottom:22px;white-space:pre-wrap}#notice.error{background:#fff0ed;color:#a1392b;border-color:#edc2ba}#login{max-width:390px;margin:65px auto}label{display:block;margin-bottom:18px;font-size:13px;font-weight:600}input,textarea{display:block;font:inherit;width:100%;padding:10px;border:1px solid #cbd8d0;border-radius:4px;margin-top:7px;background:white}input[type=checkbox]{display:inline;width:18px;height:18px;vertical-align:middle;margin:0 9px 0 0}.primary{background:#217a4b;border-color:#217a4b;color:white}form .primary{width:100%}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid #dce5e0;border-bottom:1px solid #dce5e0;margin-bottom:34px}.metric{padding:23px 18px;border-right:1px solid #dce5e0}.metric:last-child{border:0}.metric span{display:block;font-size:12px;color:#6e8176}.metric strong{display:block;font-size:30px;margin-top:12px}.metric:nth-child(3) strong{color:#b96b27}.toolbar{display:flex;align-items:center;gap:14px;margin-bottom:20px;justify-content:space-between}.toolbar form{display:flex;gap:8px;max-width:480px;width:100%}.toolbar input{margin:0}.table-wrap{overflow:auto;background:white;border-top:1px solid #dce5e0}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}th{background:#eef3f0;color:#687e70;font-size:11px;text-transform:uppercase;padding:14px}td{padding:15px 14px;border-bottom:1px solid #e5ebe7;max-width:380px;overflow-wrap:anywhere}td button{min-height:30px;padding:5px 10px}pre{font-family:monospace;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;max-width:600px}.badge{display:inline-block;border-radius:3px;padding:5px 8px;background:#e6f3eb;color:#287949;font-size:11px}.badge.warn{background:#fcecd9;color:#945a22}.empty{padding:40px;text-align:center;color:#7d8e83}.muted{color:#738378;line-height:1.7}.band{border-bottom:1px solid #dce5e0;padding:12px 0 24px;margin-bottom:22px;line-height:1.8}.band b{color:#397659}footer{margin-top:50px;border-top:1px solid #dce5e0;padding:18px 0;font-size:10px;color:#8b9a90;display:flex;justify-content:space-between}dialog{border:1px solid #cbd8d0;border-radius:7px;padding:24px;width:540px;max-width:calc(100vw - 24px);max-height:90vh}dialog::backdrop{background:#12261d70}.dialog-title{display:flex;justify-content:space-between;align-items:start}.dialog-title button{font-size:22px;padding:0;width:32px;min-height:32px}.item-row{display:grid;grid-template-columns:1fr 1fr 34px;gap:10px;align-items:center;margin-bottom:10px}.item-row input{margin:0}.item-row button{padding:0}.actions{margin-top:20px}details summary{cursor:pointer;color:#267547}button:hover{filter:brightness(.96)}input:focus,textarea:focus,button:focus-visible{outline:2px solid #61a980;outline-offset:2px}[hidden]{display:none!important}@media(max-width:800px){body{grid-template-columns:1fr}aside{padding:14px 16px;border-right:0;border-bottom:1px solid #dce5e0}.brand img{width:34px;height:34px}.brand b{display:inline}.caption,aside .aside-bottom{display:none}nav{display:flex;overflow:auto;margin-top:16px;gap:4px}nav button{white-space:nowrap;font-size:12px;padding:8px}main{padding:24px 16px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metric{border-bottom:1px solid #dce5e0}.toolbar{align-items:stretch;flex-wrap:wrap}h1{font-size:24px}header .caption{display:block}td,th{padding:12px}#login{margin:35px auto}}
:where(aside){min-width:0}
@media(max-width:800px){body{grid-template-columns:minmax(0,1fr)}aside .aside-bottom{display:flex;align-items:center;gap:8px;padding-top:12px;margin-top:0}.aside-bottom p{margin:0}.aside-bottom #logout{margin-left:auto;min-height:30px;padding:5px 9px}.aside-bottom .dot{flex-shrink:0}}
/* Windows Tahoma contains the complete Vietnamese Latin character set. */
:root{font-family:Tahoma,Arial,sans-serif}
/* Clearer, calmer admin surfaces inspired by the supplied panel references. */
main{background:linear-gradient(180deg,#f8fbff 0%,#eef5fb 100%)}
header{position:sticky;top:0;z-index:5;background:rgba(248,251,255,.94);backdrop-filter:blur(8px);padding-top:8px}
.table-wrap{border:1px solid #c7d8e8;border-radius:8px;box-shadow:0 8px 24px rgba(40,72,104,.08)}
th{background:#e4edfb;color:#284d74;letter-spacing:.03em}
td{background:#fff;vertical-align:middle}
tr:hover td{background:#f4f8ff}
dialog{box-shadow:0 24px 70px rgba(20,45,70,.28);border-color:#b8cde2}
.field-help{display:block;margin-top:5px;color:#71859a;font-size:11px;font-weight:400}
.tool-buttons{display:flex;flex-wrap:wrap;gap:10px}
.tool-buttons button{min-height:44px}
.empty{border:1px dashed #b9ccdf;border-radius:8px;background:#f8fbff}
.operation-panel{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 0;border-top:1px solid #c7d8e8}
.operation-panel h2{margin:0 0 6px;color:#234b73;font-size:17px}
.operation-panel p{margin:0;max-width:620px}
.danger-panel{border-top-color:#e2c3c3}
.danger-panel h2{color:#9d3434}
button.danger,.danger{background:#fff2f2;border-color:#e6bbbb;color:#a12626}
button.danger:hover{background:#fde4e4}
@media(max-width:800px){.operation-panel{align-items:stretch;flex-direction:column;gap:14px}.operation-panel>.primary,.operation-panel>.danger{width:100%}}
@media(max-width:800px){header{position:static}.table-wrap{border-radius:6px}main{background:#f4f8fc}}