/* MCV – trang công chức trên máy chủ: dải đầu màu nước sâu, dấu phao luồng đỏ/xanh; thân trang sáng, thẻ trắng. */
:root{
  --bg:#edf2f3; --panel:#fff; --ink:#13252c; --muted:#566b73; --line:#d3dee1; --soft:#e5edef;
  --accent:#0d5a6b; --accent-ink:#fff; --accent-soft:#d9eaee;
  --ok:#1f7a4d; --ok-soft:#ddf1e6; --warn:#9a6100; --warn-soft:#fbeed3; --crit:#b3261e; --crit-soft:#fbe1de;
  --deep:#0b3440; --on-deep:#e4f1f3; --deep-mute:#9cc0c8; --deep-line:#2a5a67; --buoy-r:#d23c2f; --buoy-g:#22935f;
  --shadow:0 1px 2px rgba(11,52,64,.07),0 6px 18px rgba(11,52,64,.06);
  --f-display:"Barlow Semi Condensed","Be Vietnam Pro","Segoe UI",Arial,sans-serif;
  --f-body:"Be Vietnam Pro","Segoe UI",Roboto,Arial,sans-serif; --f-mono:"Roboto Mono",Consolas,monospace;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0c161a; --panel:#13232a; --ink:#e3ecee; --muted:#93a8ae; --line:#263a41; --soft:#1a2c33;
  --accent:#5fb7c9; --accent-ink:#06232a; --accent-soft:#183840;
  --ok:#6fcf98; --ok-soft:#173528; --warn:#f0b75a; --warn-soft:#3a2c12; --crit:#ff8a80; --crit-soft:#41201d;
  --deep:#07222a; --on-deep:#dcebee; --deep-mute:#86a9b1; --deep-line:#1f4450; --buoy-r:#ff6b5e; --buoy-g:#4fc98c; --shadow:none; color-scheme:dark }}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
.mcvnav{background:var(--deep);color:var(--on-deep);position:relative}
.mcvnav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--buoy-r) 0 50%,var(--buoy-g) 50% 100%)}
.mcvnav .in{max-width:1280px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:12px max(16px,env(safe-area-inset-right,0px)) 14px max(16px,env(safe-area-inset-left,0px))}
.mcvnav .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--on-deep)}
.mcvnav .logo b{font-family:var(--f-display);font-size:1.6rem;letter-spacing:.06em;line-height:1}
.mcvnav .logo span{font-size:.8rem;color:var(--deep-mute);max-width:260px;line-height:1.25}
.mcvnav nav{display:flex;flex-wrap:wrap;gap:4px;flex:1}
.mcvnav nav a{color:var(--on-deep);text-decoration:none;padding:6px 12px;border-radius:8px;font-weight:600}
.mcvnav nav a:hover{background:rgba(255,255,255,.08)} .mcvnav nav a.on{background:var(--on-deep);color:var(--deep)}
.mcvnav .who{font-size:.85rem;color:var(--deep-mute);display:flex;align-items:center;gap:10px}
.mcvnav .who b{color:var(--on-deep)}
.mcvnav button{background:transparent;color:var(--on-deep);border:1px solid var(--deep-line);border-radius:8px;padding:5px 10px;cursor:pointer}
.page{max-width:1280px;margin:0 auto;padding-block:18px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);letter-spacing:.01em;margin:0 0 6px;text-wrap:balance}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
.desc,.sub{color:var(--muted);font-size:.88rem}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:9px;padding:8px 14px;cursor:pointer;font-weight:500;text-decoration:none;color:inherit;display:inline-block}
.btn:hover{border-color:var(--accent)} .btn.pri{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)} .btn.sm{padding:5px 10px;font-size:.85rem} .btn.danger{color:var(--crit)}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px 16px}
.f{display:flex;flex-direction:column;gap:4px;min-width:0} .f label{font-size:.83rem;font-weight:500;color:var(--muted)}
.f input,.f select{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:8px 10px;min-width:0}
.pill{display:inline-flex;align-items:center;border-radius:99px;padding:1px 9px;font-size:.76rem;font-weight:600;white-space:nowrap}
.pill.ok{background:var(--ok-soft);color:var(--ok)} .pill.warn{background:var(--warn-soft);color:var(--warn)} .pill.crit{background:var(--crit-soft);color:var(--crit)} .pill.mute{background:var(--soft);color:var(--muted)}
.tblwrap{overflow-x:auto} table.t{width:100%;border-collapse:collapse;font-size:.88rem} table.t th,table.t td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top} table.t th{font-size:.76rem;color:var(--muted);font-weight:600}
.mono{font-family:var(--f-mono)}
.tabs{display:flex;gap:4px;background:var(--soft);border-radius:12px;padding:4px;margin-bottom:14px;overflow-x:auto}
.tabs button{border:0;background:transparent;padding:8px 14px;border-radius:9px;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap}
.tabs button.on{background:var(--panel);color:var(--ink);box-shadow:var(--shadow)}
#toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:8px;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .2s;max-width:calc(100% - 32px);z-index:2000}
#toast.on{opacity:1}
.code{font-family:var(--f-mono);font-size:1.5rem;letter-spacing:.12em;background:var(--accent-soft);border-radius:10px;padding:10px 14px;display:inline-block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}