:root{--paper:#F4F1EC;--paper-2:#EDE8DF;--ink:#1C2430;--ink-2:#4B5563;--ink-3:#8A929C;--rule:#D9D2C5;--teal:#1F6F78;--teal-2:#17565D;--ok:#2F6B3F;--warn:#B8860B;--bad:#8C2F39;--card:#FBF9F5;--sans:Manrope,system-ui,sans-serif;--serif:Fraunces,Georgia,serif;--rail:15rem}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.35;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");z-index:0}
a{color:var(--teal)}button{font:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;margin:0}
.num{font-family:var(--serif);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:-.02em}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}
.muted{color:var(--ink-3)}.small{font-size:.8rem}.up{text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;font-weight:700}
/* layout */
#app{position:relative;z-index:1;display:grid;grid-template-columns:var(--rail) 1fr;min-height:100vh}#app.auth{display:block}
@media(max-width:52rem){#app{grid-template-columns:1fr}.rail{position:sticky;top:0;z-index:5;flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--rule)}}
.rail{border-right:1px solid var(--rule);padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.25rem;background:linear-gradient(180deg,rgba(255,255,255,.5),transparent)}
.brand{display:flex;align-items:center;gap:.6rem;padding:.25rem .5rem 1rem}
.brand .seal{width:2.1rem;height:2.1rem;border:1.5px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-weight:700}
.brand b{font-family:var(--serif);font-size:1.05rem;font-weight:600}.brand small{display:block;color:var(--ink-3);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase}
.rail a{display:flex;align-items:center;gap:.6rem;padding:.55rem .6rem;border-radius:8px;color:var(--ink-2);text-decoration:none;font-weight:600;font-size:.92rem;white-space:nowrap}
.rail a:hover{background:rgba(28,36,48,.05)}.rail a.on{background:var(--ink);color:var(--paper)}
.rail .sec{margin:.9rem .6rem .25rem;color:var(--ink-3);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase}
.rail .spacer{flex:1}.rail .foot{padding:.6rem;font-size:.75rem;color:var(--ink-3)}
main{padding:1.5rem clamp(1rem,3vw,2.5rem) 4rem;max-width:80rem}
.topbar{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid var(--ink);margin-bottom:1.5rem}
.topbar h1{font-size:clamp(1.6rem,3vw,2.2rem)}.topbar .date{font-family:var(--serif);font-style:italic;color:var(--ink-2)}
/* cards */
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr))}
.card{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:1.1rem 1.2rem;position:relative}
.card.sys{display:flex;flex-direction:column;gap:.6rem;min-height:10rem;border-left:4px solid var(--accent,var(--teal))}
.card.sys .glyph{width:2.4rem;height:2.4rem;border-radius:8px;background:var(--accent,var(--teal));color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:.95rem}
.card.sys h3{font-size:1.1rem}.card.sys .tag{color:var(--ink-2);font-size:.85rem}
.status{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:700;color:var(--ink-2)}
.status i{width:.55rem;height:.55rem;border-radius:50%;background:var(--ink-3);box-shadow:0 0 0 3px rgba(0,0,0,.05)}
.status.ok i{background:var(--ok);animation:pulse 2.4s infinite}.status.bad i{background:var(--bad)}.status.warn i{background:var(--warn)}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(47,107,63,.15)}50%{box-shadow:0 0 0 6px rgba(47,107,63,.05)}}
.card.sys .act{margin-top:auto;display:flex;gap:.5rem;align-items:center;justify-content:space-between}
.btn{display:inline-flex;align-items:center;gap:.4rem;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:.5rem .9rem;border-radius:999px;font-weight:700;font-size:.85rem;cursor:pointer;text-decoration:none;transition:transform .1s}
.btn:hover{transform:translateY(-1px)}.btn.ghost{background:transparent;color:var(--ink)}.btn.teal{background:var(--teal);border-color:var(--teal)}.btn.danger{background:var(--bad);border-color:var(--bad)}.btn.sm{padding:.3rem .7rem;font-size:.78rem}.btn[disabled]{opacity:.5;pointer-events:none}
/* instruments */
.instruments{display:grid;gap:0;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);margin:0 0 1.5rem}
.inst{padding:1rem .9rem;border-right:1px solid var(--rule)}.inst:last-child{border-right:0}
.inst .lbl{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.inst .val{font-family:var(--serif);font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:700;line-height:1.1;margin:.2rem 0 .1rem;font-variant-numeric:tabular-nums}
.inst .sub{font-size:.78rem;color:var(--ink-2)}
.bar{height:.4rem;background:var(--paper-2);border-radius:99px;overflow:hidden;margin-top:.4rem}.bar i{display:block;height:100%;background:var(--teal)}.bar.warn i{background:var(--warn)}.bar.bad i{background:var(--bad)}
/* tables */
table{width:100%;border-collapse:collapse;font-size:.88rem}th{text-align:left;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:.5rem .6rem;border-bottom:1px solid var(--ink)}
td{padding:.55rem .6rem;border-bottom:1px solid var(--rule);vertical-align:top}tr:hover td{background:rgba(31,111,120,.04)}td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}
.tbl{overflow-x:auto}
/* tabs */
.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--rule);margin-bottom:1.25rem;overflow-x:auto}
.tabs a{padding:.6rem .9rem;text-decoration:none;color:var(--ink-2);font-weight:700;font-size:.9rem;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}.tabs a.on{color:var(--ink);border-color:var(--ink)}
/* misc */
.sec-title{display:flex;align-items:baseline;justify-content:space-between;margin:1.6rem 0 .8rem}.sec-title h2{font-size:1.25rem}
.pill{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.72rem;font-weight:700;background:var(--paper-2);color:var(--ink-2)}
.pill.ok{background:#e3efe6;color:var(--ok)}.pill.warn{background:#f6ecd2;color:#7a5a08}.pill.bad{background:#f3dfe1;color:var(--bad)}.pill.teal{background:#dcecee;color:var(--teal-2)}
.alert{border-left:3px solid var(--warn);background:#fbf5e6;padding:.7rem .9rem;border-radius:0 8px 8px 0;margin:.4rem 0;font-size:.9rem}.alert.bad{border-color:var(--bad);background:#f8e9eb}.alert.info{border-color:var(--teal);background:#e8f1f2}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.3rem 1rem;font-size:.9rem}.kv dt{color:var(--ink-3)}.kv dd{margin:0}
form.settings{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:.8rem 1rem}
label{display:block;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
input[type=number],input[type=password],input[type=text]{width:100%;border:1px solid var(--rule);background:#fff;border-radius:8px;padding:.5rem .6rem;font:inherit;margin-top:.25rem}
.switch{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;margin-top:.4rem}.switch input{appearance:none;width:2.4rem;height:1.3rem;border-radius:99px;background:var(--rule);position:relative;transition:.2s;cursor:pointer}.switch input::after{content:"";position:absolute;top:.15rem;left:.15rem;width:1rem;height:1rem;border-radius:50%;background:#fff;transition:.2s}.switch input:checked{background:var(--teal)}.switch input:checked::after{left:1.25rem}
.chart{width:100%;height:9rem;display:block}
.login{min-height:100vh;display:grid;place-items:center;padding:1rem}.login .card{width:min(22rem,100%);padding:2rem}.login h1{font-size:1.6rem;margin-bottom:.2rem}
.hero{position:relative;border-radius:16px;overflow:hidden;min-height:11rem;margin-bottom:1.5rem;background:var(--ink);color:var(--paper);display:flex;align-items:flex-end;padding:1.4rem 1.6rem;isolation:isolate}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;filter:saturate(.7) contrast(1.05);z-index:-1}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,36,48,.85),rgba(28,36,48,.15));z-index:-1}
.hero h2{font-size:clamp(1.4rem,3vw,2rem);color:var(--paper)}.hero p{margin:.2rem 0 0;color:#d5dbe2;max-width:36rem}.hero .credit{position:absolute;right:1rem;bottom:.6rem;font-size:.65rem;color:#b9c2cc}
.toast{position:fixed;left:50%;bottom:1.2rem;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:.6rem 1rem;border-radius:999px;font-size:.85rem;z-index:20;box-shadow:0 10px 30px -10px rgba(0,0,0,.5)}
.empty{padding:2rem;text-align:center;color:var(--ink-3);font-style:italic;font-family:var(--serif)}