:root{color-scheme:light;--bg:#f3f5f8;--panel:#fff;--ink:#17272b;--muted:#607278;--line:#dce5e7;--green:#0d665a;--mint:#e6f4ee;--red:#a33832;font:14px/1.6 'Segoe UI','Microsoft YaHei',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}[hidden]{display:none!important}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{padding:10px 16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink);cursor:pointer}button:hover{border-color:var(--green)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--green);color:#fff;border-color:var(--green)}button.danger{color:var(--red)}button.link{background:transparent;border-color:transparent;color:var(--green);padding-left:0}input:not([type=checkbox]),select{padding:11px 12px;width:100%;border:1px solid var(--line);background:#fff;border-radius:8px;color:var(--ink)}label{display:flex;flex-direction:column;gap:7px;margin:18px 0 12px}h1,h2,h3,p{margin:0}h1{font-size:30px;font-weight:600;letter-spacing:-.6px}h2{font-size:19px;font-weight:600}h3{font-size:16px;font-weight:500}.brand{text-decoration:none;font-size:14px;letter-spacing:1px;font-weight:600;color:inherit}.eyebrow{font-size:11px;letter-spacing:1.6px;color:var(--muted)}.muted,small{color:var(--muted)}.muted{margin-top:12px;font-size:13px}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}.intro{padding:60px 9%;background:#143e39;color:#f0f6ec;display:flex;flex-direction:column;justify-content:center}.intro h1{font-size:48px;line-height:1.3;letter-spacing:-2px;margin:65px 0 24px}.intro p{max-width:390px;color:#bfd4ca;font-size:16px}.intro-foot{margin-top:80px;font-size:11px;letter-spacing:2px;color:#b3d3c6}.auth-form{align-self:center;width:min(400px,85%);margin:40px auto}.auth-form h2{font-size:27px;margin:8px 0 28px}.auth-form .primary{width:100%;margin-top:14px}.auth-form .link{margin-top:12px}#auth-error{color:var(--red);min-height:24px}#shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}aside{background:#fff;border-right:1px solid var(--line);padding:30px 22px;display:flex;flex-direction:column}aside>small{margin:54px 12px 15px;font-size:10px;letter-spacing:2px}nav{display:grid;gap:8px}nav button{text-align:left;border-color:transparent;padding:12px 15px}nav .selected{background:var(--mint);color:var(--green);font-weight:600}.aside-bottom{margin-top:auto;padding:40px 10px 0;display:grid;overflow-wrap:anywhere;font-size:12px}.aside-bottom .link{text-align:left}main{padding:32px clamp(18px,4vw,55px);min-width:0;max-width:1500px;width:100%;margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:20px}header h1{margin-top:6px}.device-bar{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin:20px 0 26px}.device-bar label{display:flex;flex-direction:row;align-items:center;margin:0;gap:12px}.device-bar select{width:220px}.badge{font-size:12px;padding:5px 10px;background:#e8edf0;border-radius:20px}.badge.online{background:var(--mint);color:var(--green)}.room-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(230px,1fr);gap:20px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:23px;min-width:0}.section-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.toggle{display:flex;flex-direction:row;align-items:center;gap:8px;margin:0;font-size:12px}.preview-stage{margin-top:18px;background:#142d2e;aspect-ratio:16/10;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#e5f0e9;position:relative;overflow:hidden;text-align:center;padding:20px}.stage-mark{display:block;color:#87c7ab;font-size:45px;margin-bottom:15px}.preview-stage p{color:#aec8be;font-size:12px;margin-top:10px}.preview-stage img{width:100%;height:100%;object-fit:contain;position:absolute;inset:0;background:#142d2e}.preview-caption{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);margin:10px 0 25px;flex-wrap:wrap}.actions{display:flex;gap:8px;flex-wrap:wrap}.side-stack{display:grid;gap:20px}.side-stack h2{margin-top:5px}dl{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;margin:20px 0 0;font-size:13px}dt{color:var(--muted)}dd{margin:0;text-align:right;overflow-wrap:anywhere}.big-value{margin:20px 0 0;display:flex;align-items:baseline;gap:8px}.big-value span{font-size:38px;letter-spacing:-1.5px;font-variant-numeric:tabular-nums}.small-note{padding-top:14px;margin-top:15px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.command-panel{margin-top:20px}.inline-form{display:flex;align-items:center;gap:12px;margin-top:18px}.inline-form button{flex-shrink:0}.empty{border:1px dashed #bccdd0;border-radius:12px;padding:70px 25px;text-align:center}.empty p{color:var(--muted);margin:14px auto 25px;max-width:500px}.device-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:20px}.device-cards button{margin-top:15px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px;text-align:left;margin-top:18px}th{color:var(--muted);font-weight:500}th,td{padding:12px 8px;border-bottom:1px solid var(--line);vertical-align:top}td:last-child{max-width:340px;overflow-wrap:anywhere}footer{margin-top:35px;color:var(--muted);font-size:11px}#notice{padding:12px 16px;border-radius:8px;background:#fff2dd;border:1px solid #e9d9bb;margin-top:20px}#notice.error{color:var(--red)}@media(max-width:1000px){#shell{grid-template-columns:175px 1fr}aside{padding:24px 12px}.room-grid{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr 1fr}.intro h1{font-size:38px}}@media(max-width:650px){.auth-shell{grid-template-columns:1fr}.intro{padding:35px 8%}.intro h1{font-size:31px;margin:24px 0 12px}.intro p{font-size:13px}.intro-foot{display:none}#shell{grid-template-columns:1fr}aside{padding:14px 18px;border-bottom:1px solid var(--line);border-right:0}aside>small,.aside-bottom{display:none}nav{display:flex;gap:3px;flex-wrap:wrap;margin-top:12px}nav button{font-size:12px;padding:8px 10px}main{padding:23px 15px}.side-stack{grid-template-columns:1fr}.device-bar label{flex-wrap:wrap}.device-bar select{width:100%}.device-bar{gap:8px}h1{font-size:25px}.panel{padding:18px}.inline-form{flex-wrap:wrap}.inline-form input{flex:1;min-width:150px}.preview-stage{aspect-ratio:4/3}.actions button{flex:1;min-width:105px}input,select{font-size:16px}}

@media(max-width:650px){.aside-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 8px 0;margin:0}.aside-bottom .link{padding:0}.aside-bottom span{overflow-wrap:anywhere}}

.admin-filters{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.admin-filters label{min-width:160px}.admin-actions{min-width:190px}.admin-actions button{font-size:12px;padding:7px 10px;margin:3px}.admin-paging{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}dialog{color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:12px;max-width:480px;width:calc(100% - 32px);padding:25px}dialog::backdrop{background:rgba(12,28,30,.5)}dialog .actions{margin-top:20px}#admin-reset-error{color:var(--red);min-height:22px}#auth-error.auth-success{color:var(--green)}