:root{color-scheme:light;--bg:#f4f6f5;--ink:#172d2b;--muted:#73817e;--green:#197c66;--line:#e4e9e6;--nav:#102e2b;--accent:#c2ecb5}*{box-sizing:border-box}body{margin:0;font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}[hidden]{display:none!important}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:8px;padding:10px 16px;background:#e9efeb;color:var(--ink);transition:background .15s}button:hover{background:#dbe6df}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--green);color:white;font-weight:600}.primary:hover{background:#11634f}.subtle{background:transparent;color:var(--muted)}.danger{color:#a4453e;background:#fff1ef}.muted,.footnote{color:var(--muted)}.footnote{font-size:12px;line-height:1.9}.error{color:#ac403a;min-height:24px}h1,h2,h3,p{margin:0}h1{font-size:28px;letter-spacing:-.8px;font-weight:650}h2{font-size:22px;font-weight:650}h3{font-size:15px;font-weight:650}input,select,textarea{border:1px solid #dce3df;border-radius:7px;padding:11px 12px;outline:none;width:100%;background:#fff;color:var(--ink);min-width:0}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #197c6614}label{display:block;font-size:13px;margin:18px 0 20px}label input,label select{margin-top:7px}textarea{resize:vertical;min-height:170px;font:12px/1.8 ui-monospace,monospace}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:750;letter-spacing:1px;color:#fff}.brand small{font-size:11px;border:1px solid #73958a;padding:0 4px;border-radius:3px;color:#b6d5c8}.brand-mark{display:grid;place-items:center;width:32px;height:35px;background:var(--accent);color:var(--nav);border-radius:9px;font-size:22px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:650}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#8bcb8a;margin-right:8px}.login-layout{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:white}.login-story{background:var(--nav);color:#f1f8ed;padding:52px 12%;display:flex;flex-direction:column;justify-content:center;position:relative}.login-story .brand{position:absolute;top:45px}.login-story .eyebrow{color:#a3c2ad;margin-bottom:20px}.login-story h1{font-size:clamp(32px,4vw,56px);line-height:1.3;letter-spacing:-1px}.login-story p{max-width:370px;color:#a8beb5;margin-top:25px;line-height:2}.story-status{margin-top:60px;font-size:11px;color:#b0c9bd}.story-status span{margin:0 10px}.login-form{width:min(420px,80%);margin:auto}.login-form h2{font-size:28px;margin:8px 0}.login-form form{margin-top:30px}.login-form button{display:flex;justify-content:space-between;width:100%}.login-form .footnote{margin-top:25px}.workspace{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}aside{background:var(--nav);padding:36px 25px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;width:220px}.nav-label{font-size:10px;color:#87a79b;letter-spacing:1.5px;margin:52px 12px 15px}nav{display:grid;gap:8px}nav button{display:flex;align-items:center;gap:13px;text-align:left;background:transparent;color:#a6bcb3;font-size:16px;padding:12px}nav button span{font-size:13px}nav button:hover,nav button.selected{background:#244740;color:white}.aside-bottom{margin-top:auto;color:#b0c6ba;font-size:11px}.aside-bottom .muted{color:#698f80;font-size:10px;margin-top:8px}main{grid-column:2;max-width:1600px;padding:32px 44px;width:100%}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:32px}.profile{display:flex;align-items:center;gap:15px;font-size:12px}.profile span{background:#e4ebe4;padding:7px 13px;border-radius:25px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.intro p{margin-top:5px;font-size:12px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:28px}.metrics article{border:1px solid var(--line);background:#fff;border-radius:12px;padding:23px 25px;display:grid;gap:10px}.metrics article span{font-size:12px;color:var(--muted)}.metrics strong{font-size:32px;line-height:1.2;font-weight:600;letter-spacing:-1px}.metrics small{font-size:10px;color:#90a097}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:20px;overflow:hidden}.panel-heading{display:flex;align-items:center;justify-content:space-between;padding:19px 24px;border-bottom:1px solid var(--line)}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;text-align:left}th{font-size:10px;letter-spacing:.5px;font-weight:500;background:#fafcf9;color:#7d8a83;padding:13px 24px}td{font-size:12px;padding:20px 24px;border-top:1px solid #edf0ed}td button{padding:6px 10px;font-size:11px}td strong{font-size:13px}.badge{border-radius:5px;padding:3px 8px;background:#eaf5e9;color:#3d7b50;font-size:10px}.badge.off{background:#f4e9e7;color:#a5766d}.bar{height:4px;border-radius:10px;background:#ecf0eb;width:150px;margin-top:9px;overflow:hidden}.bar span{display:block;height:100%;background:var(--green);width:var(--progress,0%)}.empty{text-align:center;padding:45px;color:var(--muted)}.device-list{padding:0 24px}.device-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}.device-row:last-child{border-bottom:0}.device-row small{display:block;color:var(--muted);font-size:11px}.device-actions{display:flex;gap:6px;flex-wrap:wrap}.device-actions button{font-size:11px;padding:7px 10px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.padded{padding:28px}.padded p{font-size:12px;margin:12px 0}.step{font-size:10px;letter-spacing:1px;color:var(--green);display:block;margin-bottom:20px}.narrow{max-width:560px}footer{margin-top:45px;display:flex;justify-content:space-between;font-size:10px;color:#92a096}dialog{border:1px solid var(--line);border-radius:14px;padding:28px;width:min(620px,92vw);max-height:90vh;color:var(--ink)}dialog::backdrop{background:#102e2b88;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}.dialog-heading h2{font-size:21px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.button-row{display:flex;gap:10px;margin-top:18px}.secret{background:#f2f7ee;border:1px dashed #9ac7a2;padding:20px;border-radius:8px;font:18px/1.7 ui-monospace,monospace;overflow-wrap:anywhere;margin:20px 0}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--nav);color:#fff;padding:13px 22px;border-radius:9px;max-width:90vw;z-index:10;font-size:12px}#device-panel{margin-top:26px}@media(max-width:1100px){main{padding:28px 24px}td,th{padding-left:16px;padding-right:16px}.workspace{grid-template-columns:185px minmax(0,1fr)}aside{width:185px;padding:28px 18px}.two-col{grid-template-columns:1fr}}@media(max-width:720px){.login-layout{grid-template-columns:1fr}.login-story{padding:100px 30px 35px}.login-story .brand{top:28px}.login-story h1{font-size:32px}.login-story p,.story-status{display:none}.login-form{padding:35px 0;width:85%}.workspace{display:block}aside{position:static;width:100%;padding:18px 20px}.nav-label,.aside-bottom{display:none}.brand{font-size:17px}nav{display:flex;gap:4px;margin-top:16px;overflow-x:auto}nav button{padding:8px;white-space:nowrap;font-size:0}nav button span{font-size:11px}main{padding:23px 16px}header{padding-bottom:20px;margin-bottom:25px}header h1{font-size:24px}.profile{gap:3px}.profile span{font-size:10px}.intro h2{font-size:18px}.intro .primary{font-size:11px;padding:9px 12px}.metrics{gap:8px}.metrics article{padding:15px 11px;gap:10px}.metrics strong{font-size:23px}.metrics small{font-size:9px}.metrics article span{font-size:10px}.device-row{align-items:flex-start;flex-direction:column}.padded{padding:22px}.form-grid{grid-template-columns:1fr 1fr}.panel-heading{padding:16px}.device-list{padding:0 16px}}

.qr-panel{text-align:center}.qr-tabs{display:flex;gap:8px;justify-content:center;margin:18px 0}.qr-tabs button{font-size:12px}.qr-tabs button[aria-pressed="true"]{background:var(--green);color:#fff}.qr-image{display:block;width:320px;max-width:100%;height:auto;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:6px;image-rendering:pixelated}.qr-caption{font-weight:600;font-size:13px;margin:12px 0}.qr-panel .button-row{justify-content:center;flex-wrap:wrap}.qr-panel .footnote{margin:12px 0}

.qos-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.qos-cards article{background:#f3f7f1;border:1px solid var(--line);border-radius:9px;padding:15px 12px}.qos-cards small{display:block;color:var(--muted);font-size:11px}.qos-cards strong{display:block;font-size:18px;margin-top:8px}@media(max-width:480px){.qos-cards{grid-template-columns:1fr}.qos-cards article{display:flex;align-items:center;justify-content:space-between}.qos-cards strong{margin:0}}