:root{
  --paper:#EBECEE;--paper-2:#F6F7F8;--paper-3:#FCFCFD;--ink:#141C24;
  --navy:#1D3A53;--navy-2:#264E70;--side:#15303f;--side-2:#0f2531;
  --brass:#B98A46;--brass-lt:#D8B072;--brass-soft:#EFE4D2;
  --muted:#5E6B76;--muted-2:#8593A0;--line:#D9DDE1;--line-2:#C6CCD1;
  --good:#2F7D5F;--good-bg:#EAF5EF;--warn:#B0894F;--warn-bg:#FAF3E7;
  --crit:#B24A3E;--crit-bg:#FBECE9;--info:#2C5A82;--info-bg:#EAF2F9;
  --sh:0 1px 2px rgba(20,28,36,.05),0 10px 30px rgba(20,28,36,.07);
  --serif:"Iowan Old Style","Constantia",Cambria,"Palatino Linotype",Georgia,serif;
  --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:"Consolas","SF Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}
[hidden]{display:none!important}
.num{font-variant-numeric:tabular-nums}.mono{font-family:var(--mono)}

/* login */
#login{position:fixed;inset:0;display:grid;place-items:center;padding:1.5rem;
  background:radial-gradient(1100px 560px at 70% -10%,#1d3d4f,#12252f 60%)}
.login-card{width:min(400px,100%);background:var(--paper-3);border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.4);padding:2.4rem 2.2rem}
.logo{display:flex;align-items:center;gap:.7rem;justify-content:center}
.logo svg{width:34px;height:34px;color:var(--brass)}
.logo .wm{font-family:var(--serif);font-size:1.5rem;font-weight:600}.logo .wm b{color:var(--brass)}
.login-card .sub{text-align:center;color:var(--muted);font-size:.9rem;margin:.2rem 0 1.6rem}
.field{margin-bottom:.9rem}
.field label{display:block;font-size:.78rem;font-weight:600;color:var(--navy);margin-bottom:.32rem}
.field input{width:100%;padding:.72rem .85rem;border:1px solid var(--line-2);border-radius:10px;font-size:.95rem;background:#fff;color:var(--ink)}
.field input:focus{border-color:var(--brass);outline:none;box-shadow:0 0 0 3px var(--brass-soft)}
.err{color:var(--crit);font-size:.85rem;margin:.2rem 0 .6rem;min-height:1.1em}
.demo{margin-top:1.4rem;text-align:center;font-size:.72rem;color:var(--muted-2);font-family:var(--mono);line-height:1.6}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:0;border-radius:10px;font-weight:600;font-size:.9rem;padding:.7rem 1rem;transition:.15s}
.btn-primary{background:var(--navy);color:#fff;width:100%}.btn-primary:hover{background:var(--navy-2)}
.btn-sm{padding:.45rem .8rem;font-size:.82rem;border-radius:8px}
.btn-ghost{background:#fff;border:1px solid var(--line-2);color:var(--navy);font-weight:600}.btn-ghost:hover{border-color:var(--brass);color:var(--brass)}

/* app shell */
#app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
@media(max-width:720px){#app{grid-template-columns:1fr}aside{display:none}}
aside{background:linear-gradient(180deg,var(--side),var(--side-2));color:#cdd9e0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:.6rem;padding:1.3rem 1.4rem;border-bottom:1px solid rgba(255,255,255,.08)}
.brand svg{width:26px;height:26px;color:var(--brass-lt)}.brand .wm{font-family:var(--serif);font-size:1.16rem;color:#fff;font-weight:600}.brand .wm b{color:var(--brass-lt)}
.side-cap{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:#7d93a0;padding:1.2rem 1.5rem .5rem}
nav.side{display:flex;flex-direction:column;gap:.1rem;padding:0 .7rem}
.nav-link{display:flex;align-items:center;gap:.7rem;padding:.62rem .8rem;border-radius:9px;color:#c2d0d8;font-size:.9rem;font-weight:500;border:0;background:transparent;text-align:left}
.nav-link svg{width:18px;height:18px;opacity:.85}
.nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-link.active{background:rgba(185,138,70,.18);color:#fff;box-shadow:inset 2px 0 0 var(--brass-lt)}
.side-foot{margin-top:auto;padding:1rem 1.1rem;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:.65rem}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brass);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.8rem}
.side-foot .who{font-size:.82rem;line-height:1.2}.side-foot .who small{color:#8ea3ae;font-size:.72rem}
.side-foot .out{margin-left:auto;background:transparent;border:0;color:#8ea3ae;padding:.35rem;border-radius:8px;line-height:0}
.side-foot .out svg{width:18px;height:18px}.side-foot .out:hover{color:#fff;background:rgba(255,255,255,.08)}

main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:10;background:rgba(235,236,238,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:1rem;padding:.85rem clamp(1rem,3vw,2rem)}
.topbar .title{font-family:var(--serif);font-size:1.3rem;font-weight:600;margin:0}
.topbar .sp{flex:1}
.mini-logout{display:none}
@media(max-width:720px){.mini-logout{display:inline-flex}}

.content{padding:clamp(1.2rem,3vw,2rem);max-width:1080px;width:100%}
h3.blk{font-size:.98rem;font-weight:650;margin:1.8rem 0 .7rem;color:var(--navy)}
h3.blk:first-child{margin-top:.2rem}
.pageintro{color:var(--muted);max-width:64ch;margin:.1rem 0 0}

.grid{display:grid;gap:1rem}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:1fr 1fr}
@media(max-width:820px){.g3{grid-template-columns:1fr 1fr}}@media(max-width:560px){.g3,.g2{grid-template-columns:1fr}}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh)}
.card.pad{padding:1.2rem 1.3rem}
.stat .lbl{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.stat .big{font-size:1.6rem;font-weight:700;margin:.2rem 0 0;font-family:var(--serif)}
.stat .sub{font-size:.82rem;color:var(--muted);margin-top:.2rem}

.chip{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--mono);font-size:.72rem;padding:.24rem .6rem;border-radius:20px;border:1px solid;font-weight:600;white-space:nowrap}
.chip::before{content:"";width:6px;height:6px;border-radius:50%}
.c-good{color:var(--good);background:var(--good-bg);border-color:#c2e0d1}.c-good::before{background:var(--good)}
.c-warn{color:var(--warn);background:var(--warn-bg);border-color:#e8d7ba}.c-warn::before{background:var(--warn)}
.c-crit{color:var(--crit);background:var(--crit-bg);border-color:#e8c6bf}.c-crit::before{background:var(--crit)}
.c-info{color:var(--info);background:var(--info-bg);border-color:#c2d7e8}.c-info::before{background:var(--info)}

.rows{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:1rem;padding:.85rem 1.1rem;border-top:1px solid var(--line)}
.row:first-child{border-top:0}
.row .ic{width:36px;height:36px;border-radius:9px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--navy);flex:0 0 auto}
.row .ic svg{width:18px;height:18px}
.row .main{min-width:0;flex:1}.row .main b{font-weight:600;font-size:.92rem}.row .main small{display:block;color:var(--muted);font-size:.8rem}
.section{display:none}.section.active{display:block}
.langtog{display:inline-flex;border:1px solid var(--line-2);border-radius:20px;overflow:hidden;background:#fff}
.langtog button{border:0;background:transparent;padding:.28rem .6rem;font-size:.76rem;color:var(--muted);font-weight:600;cursor:pointer}
.langtog button.on{background:var(--navy);color:#fff}