/* ARM Control Center – theo bản thiết kế đã duyệt */
:root{--bg:#F4F5F2;--card:#fff;--ink:#15181D;--muted:#5B6470;--line:#E3E6E1;--line2:#EEF0EC;--lime:#C6F432}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:15px}
a{color:#1D4ED8}a:hover{color:#1E3A8A}
.shell{min-height:100vh;display:flex;flex-wrap:wrap}
.side{flex:1 1 248px;max-width:100%;background:var(--ink);padding:28px 16px 24px;display:flex;flex-direction:column;gap:28px}
.brand{padding:0 12px}.brand b{display:block;font-family:"Barlow Condensed",Inter,sans-serif;font-weight:700;font-size:30px;letter-spacing:.04em;color:#fff;line-height:1}
.brand span{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--lime);margin-top:6px}
.nav-h{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#8B94A1;padding:0 12px;margin:0 0 6px}
.nav-i{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:44px;padding:0 12px;border-radius:8px;color:#D5DAE1;text-decoration:none;font-size:15px;font-weight:500}
.nav-i:hover{background:#22272E;color:#fff}
.nav-i.on{background:var(--lime);color:var(--ink);font-weight:700}
.nav-i .hint{font-size:12px;font-weight:500;color:#9AA3AF}.nav-i.on .hint{color:#3A4310}
.me{margin-top:auto;padding:14px 12px;border-radius:10px;background:#1E232A;display:flex;flex-direction:column;gap:6px;color:#C9CED6;font-size:13px}
.me strong{color:#fff;font-size:14px}.me .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4ADE80;margin-right:6px}
.me button{background:none;border:0;color:#C9CED6;font:inherit;font-size:13px;padding:0;text-align:left;cursor:pointer;text-decoration:underline;min-height:32px}
main{flex:999 1 560px;min-width:0;padding:32px 40px 48px;display:flex;flex-direction:column;gap:24px;max-width:1240px}
@media (max-width:720px){main{padding:20px 16px 40px}}
.head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between}
h1{margin:6px 0 0;font-size:32px;font-weight:700;letter-spacing:-.01em}
h2{margin:0;font-size:18px;font-weight:700}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.muted{color:var(--muted)}.small{font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;flex-wrap:wrap;gap:16px}.row>*{flex:1 1 340px;min-width:0}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.num{font-family:"Barlow Condensed",Inter,sans-serif;font-weight:700;font-size:clamp(26px,2.3vw,34px);line-height:1.1;margin-top:10px;white-space:nowrap}
.warn-card{border-color:#F2C9A0}.warn-card .num{color:#9A3412}
.crit-card{border-color:#F0B4B4}.crit-card .num{color:#991B1B}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.b-ok{background:#E7F5EC;color:#166534}.b-warn{background:#FDF1E3;color:#9A3412}.b-off{background:#EEF0F2;color:#4B5563}.b-crit{background:#FDECEC;color:#991B1B}.b-info{background:#E8EEFB;color:#1E3A8A}
.btn{font:inherit;font-size:14px;font-weight:600;border-radius:8px;padding:10px 16px;min-height:44px;cursor:pointer;border:1px solid #CBD0D6;background:#fff;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn:hover{border-color:var(--ink);color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}.btn-dark:hover{color:#fff;background:#2A2F36}
.btn[disabled]{opacity:.6;cursor:wait}
.seg{display:inline-flex;flex-wrap:wrap;border:1px solid #CBD0D6;border-radius:8px;overflow:hidden;background:#fff}
.seg a{font-size:14px;font-weight:600;color:#3F4752;padding:0 14px;min-height:44px;display:inline-flex;align-items:center;text-decoration:none}
.seg a.on{background:var(--ink);color:#fff}
.scroll{overflow-x:auto;position:relative}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 12px;border-bottom:1px solid var(--line2);white-space:nowrap}
.r{text-align:right}.c{text-align:center}
td.wrap{white-space:normal;min-width:220px}
tr.total td{font-weight:700}
.item{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line2)}
.item:first-of-type{border-top:0}
.depts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.dept{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink)}
.dept:hover{border-color:var(--ink);color:var(--ink)}
.dept .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.flash{padding:12px 16px;border-radius:10px;font-size:14px}
.flash.ok{background:#E7F5EC;color:#166534}.flash.error{background:#FDECEC;color:#991B1B}
.empty{padding:28px;text-align:center;color:var(--muted);background:#FBFBF9;border:1px dashed #CBD0D6;border-radius:10px}
input[type=text],input[type=password],select{font:inherit;font-size:15px;padding:0 14px;min-height:44px;border:1px solid #CBD0D6;border-radius:8px;color:var(--ink);background:#fff}
input[type=file]{font:inherit;font-size:14px;max-width:100%}
label{font-size:14px;font-weight:600}
.answer{white-space:pre-wrap;line-height:1.55;font-size:15px;background:#FBFBF9;border:1px solid var(--line);border-radius:10px;padding:16px;display:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login form{width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px}
.uploads{display:flex;flex-wrap:wrap;gap:16px}.uploads form{flex:1 1 320px;display:flex;flex-direction:column;gap:10px}
.p-full{background:var(--ink);color:#fff}.p-ok{background:#E7F5EC;color:#166534}.p-view{background:#E8EEFB;color:#1E3A8A}
.up{color:#1A7F37;font-weight:600;white-space:nowrap}
.down{color:#B42318;font-weight:600;white-space:nowrap}
/* Biểu đồ */
.chart{margin:0;position:relative;display:flex;flex-direction:column;gap:8px}
.chart-plot{width:100%;min-height:40px}
.chart-plot svg{display:block;overflow:visible;font-family:inherit}
.chart-plot svg [tabindex]:focus{outline:none}
.chart-plot svg [tabindex]:focus-visible{outline:2px solid #2a78d6;outline-offset:-2px}
.chart-h{margin:0;font-size:15px;font-weight:700}
.chart-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--muted)}
.chart-legend>span{display:inline-flex;align-items:center;gap:6px}
.chart-legend .sw{width:12px;height:12px;border-radius:3px;display:inline-block}
.chart-legend .sw.line{height:3px;width:16px;border-radius:2px}
.chart-tip{position:absolute;z-index:5;pointer-events:none;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 4px 16px rgba(21,24,29,.12);padding:8px 10px;font-size:13px;min-width:120px;max-width:280px}
.chart-tip .t{color:var(--muted);margin-bottom:4px}
.chart-tip .r{display:flex;align-items:center;gap:8px;white-space:nowrap}
.chart-tip .k{width:12px;height:3px;border-radius:2px;flex:none}
.chart-tip strong{font-variant-numeric:tabular-nums;color:var(--ink)}
.chart-tip .n{color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.chart-table summary{cursor:pointer;font-size:13px;color:var(--muted);min-height:32px;display:flex;align-items:center}
.chart-table table{font-size:13px}
.status-key{display:inline-flex;align-items:center;gap:6px;margin-right:14px}
.status-key i{width:10px;height:10px;border-radius:3px;display:inline-block}