:root{--bg:#14161b;--card:#1d2027;--line:#2d313b;--text:#e7e9ee;--muted:#9aa1ad;--green:#1f7a43;--green2:#38c172;--red:#8a2424;--red2:#ff5d5d;--amber:#8a6512;--blue:#2b6fd6}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:#7fb6ff;text-decoration:none}
header{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid var(--line);background:#181b21;position:sticky;top:0;z-index:5}
header .brand{font-weight:700;font-size:17px}
header nav{margin-left:auto;display:flex;gap:16px;flex-wrap:wrap}
main{max-width:1150px;margin:0 auto;padding:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
h2{margin:0 0 12px;font-size:17px}
.muted{color:var(--muted)}
.btn{display:inline-block;border:1px solid #3a3f4b;background:#2a2e37;color:var(--text);padding:8px 14px;border-radius:7px;cursor:pointer;font:inherit}
.btn:hover{filter:brightness(1.15)}
.btn.big{padding:13px 18px;font-weight:700;font-size:16px;width:100%}
.btn.green{background:var(--green);border-color:var(--green2)}
.btn.red{background:var(--red);border-color:var(--red2)}
.btn.amber{background:var(--amber);border-color:#e0a040}
.btn.blue{background:var(--blue);border-color:#5b9bff}
.btn.small{padding:5px 10px;font-size:13px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:800px){.grid2{grid-template-columns:1fr}.hide-sm{display:none}}
table{width:100%;border-collapse:collapse}
th,td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:13px}
.chip{display:inline-block;padding:4px 10px;border-radius:6px;font-weight:700;font-variant-numeric:tabular-nums}
.chip.on{background:var(--green);border:1px solid var(--green2)}
.chip.off{background:var(--red);border:1px solid var(--red2)}
.tag{font-size:13px;padding:2px 8px;border-radius:5px;background:#2a2e37}
.tag.ok{color:#7be3a3}.tag.warn{color:#ffc061}.tag.bad{color:#ff7a7a}
input,select,textarea{background:#101217;color:var(--text);border:1px solid #363b47;border-radius:6px;padding:8px;font:inherit}
textarea{width:100%;min-height:230px;font-family:Consolas,monospace;font-size:13px}
input[type=time]{font-size:17px;font-weight:700;padding:6px 10px}
input[type=time].on{background:var(--green);border-color:var(--green2)}
input[type=time].off{background:var(--red);border-color:var(--red2)}
label{display:block;margin:10px 0 4px;color:var(--muted);font-size:13px}
.flash{padding:10px 14px;border-radius:7px;margin-bottom:12px}
.flash.ok{background:#173d27;border:1px solid var(--green2)}
.flash.bad{background:#3d1717;border:1px solid var(--red2)}
pre.log{background:#0e1014;border:1px solid var(--line);border-radius:8px;padding:10px;max-height:420px;overflow:auto;font-size:12.5px;white-space:pre-wrap;margin:0}
.code{font-size:34px;font-weight:800;letter-spacing:4px;background:#0e1014;padding:10px 18px;border-radius:8px;display:inline-block;margin:8px 0}
.login{max-width:360px;margin:12vh auto}
.login input{width:100%}
.weekend{color:#7fd1ff}
form.inline{display:inline}
main{max-width:1400px}
.topbar{display:flex;gap:12px;flex-wrap:wrap}
.topbar .grow{flex:1;min-width:280px}
.topbar form:not(.grow) .btn.big{width:auto;white-space:nowrap}
.grow{flex:1}
.split{display:grid;grid-template-columns:330px 1fr;gap:16px;align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.chlist{display:flex;flex-direction:column;gap:6px;max-height:60vh;overflow:auto}
.chitem{display:grid;grid-template-columns:16px 1fr auto;gap:2px 8px;align-items:center;padding:9px 10px;border-radius:8px;border:1px solid var(--line);color:var(--text);background:#181b21}
.chitem small{grid-column:2/4}
.chitem:hover{border-color:#4a5262}
.chitem.sel{background:#22324a;border-color:#4d8ef0}
.chname{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block}
.dot.on{background:#38c172;box-shadow:0 0 6px #38c172}.dot.off{background:#ff5d5d;box-shadow:0 0 6px #ff5d5d}
.form-grid{display:grid;grid-template-columns:110px 1fr;gap:10px 12px;align-items:center}
.form-grid>label{margin:0}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}
.btn.wide{width:100%;font-weight:700}
.authbox{margin-top:12px;padding:12px;border:1px dashed #4d8ef0;border-radius:8px}
.split>*,.form-grid>*,.row>*{min-width:0}
input,select,textarea{max-width:100%}
.form-grid select{width:100%}
input[type=file]{width:100%;max-width:320px}
@media(max-width:600px){header nav{gap:10px}main{padding:10px}.card{padding:12px}}
.hero{max-width:900px;margin:0 auto}
.hero-top{display:flex;align-items:center;justify-content:space-between;padding:6px 0 30px}
.hero-top .brand{font-weight:800;font-size:19px}
.hero-main{padding:8vh 0 6vh}
.hero-main h1{font-size:clamp(28px,5vw,46px);margin:0 0 14px;line-height:1.15}
.hero-main p{font-size:17px;max-width:620px;margin:0 0 26px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:700px){.features{grid-template-columns:1fr}}
.login .back{display:block;margin-top:10px;text-align:center}
.quota{display:flex;flex-direction:column;gap:12px}
.qrow{display:grid;grid-template-columns:240px 1fr;gap:4px 14px;align-items:center}
.qnums{grid-column:2;font-size:13px;color:var(--muted)}
@media(max-width:700px){.qrow{grid-template-columns:1fr}.qnums{grid-column:1}}
.bar{height:12px;background:#0e1014;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.fill{height:100%;background:#38c172}.fill.warn{background:#e0a040}.fill.bad{background:#ff5d5d}
.doc{max-width:820px;margin:0 auto;line-height:1.65}
.doc h1{margin:6px 0 4px;font-size:28px}.doc h2{margin:22px 0 6px}
.doc li{margin:4px 0}
.foot{text-align:center;padding:40px 0 10px;color:var(--muted)}