:root{--bg:#f5f7fb;--panel:#fff;--line:#e2e8f0;--fg:#0f172a;--mute:#64748b;--acc:#2563eb;--acc2:#1d4ed8;--ok:#16a34a;--bad:#dc2626;--warn:#d97706;--soft:#eff6ff;--r:10px}
@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--panel:#111a2c;--line:#243247;--fg:#e2e8f0;--mute:#94a3b8;--soft:#172554}}
*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--fg);font:15px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
a{color:var(--acc)}button{font:inherit;border:1px solid var(--line);background:var(--panel);color:var(--fg);border-radius:8px;padding:8px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;line-height:1}
button:hover{border-color:#cbd5e1}button.p{background:var(--acc);border-color:var(--acc);color:#fff}button.p:hover{background:var(--acc2)}button.d{color:var(--bad)}button.on{background:#dcfce7;border-color:#86efac;color:#166534}button:disabled{opacity:.5;cursor:default}
svg.i{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
input,select{font:inherit;color:var(--fg);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}label{display:block;font-size:13px;color:var(--mute);margin:10px 0 4px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.grow{flex:1;min-width:0}.mute{color:var(--mute)}.small{font-size:13px}.mono{font-family:ui-monospace,Menlo,monospace;font-size:13px}
/* login */
.login{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.login form{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px;width:100%;max-width:380px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}.brand svg{width:28px;height:28px;stroke:var(--acc)}
.err{color:var(--bad);font-size:13px;min-height:1.2em;margin-top:8px}
/* shell */
.top{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top .brand{font-size:17px}.top nav{display:flex;gap:4px;margin-left:12px}.top nav button{border:0;background:none;color:var(--mute);padding:8px 10px}.top nav button.cur{color:var(--fg);background:var(--soft)}
.top .sp{flex:1}.top .who{font-size:13px;color:var(--mute)}
main{padding:16px;max-width:1400px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;cursor:pointer}.card:hover{border-color:#94a3b8}
.card .n{font-weight:600;display:flex;align-items:center;gap:8px}.dot{width:9px;height:9px;border-radius:50%;background:var(--bad);flex:none}.on .dot{background:var(--ok)}
.card .m{color:var(--mute);font-size:13px;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#000;border-radius:6px;margin-top:10px;display:block}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
h1{font-size:20px;margin:0}h2{font-size:15px;margin:0 0 10px}
.empty{color:var(--mute);padding:40px;text-align:center;border:1px dashed var(--line);border-radius:var(--r)}
/* device page */
.dev{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:16px}@media(max-width:900px){.dev{grid-template-columns:1fr}}
.stage{background:#000;border-radius:var(--r);min-height:300px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.stage img{max-width:100%;max-height:calc(100vh - 220px);display:block;user-select:none;-webkit-user-drag:none;outline:none}.stage img.live{cursor:crosshair}
.stage .hint{position:absolute;left:12px;bottom:10px;color:#cbd5e1;font-size:12px;background:rgba(0,0,0,.5);padding:4px 8px;border-radius:6px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:12px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:13px}.kv b{color:var(--mute);font-weight:500}
.chk{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:14px}.chk input{width:auto}
.token{background:var(--soft);border:1px solid #bfdbfe;border-radius:8px;padding:12px;margin-top:12px}.token code{display:block;word-break:break-all;margin:6px 0}
.log{font-size:12px;color:var(--mute);max-height:220px;overflow:auto}.log div{padding:3px 0;border-bottom:1px solid var(--line)}
table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--mute);font-weight:500;font-size:13px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;padding:16px;z-index:20}.modal form{background:var(--panel);border-radius:14px;padding:22px;width:100%;max-width:440px;border:1px solid var(--line)}
.toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 14px;border-radius:8px;font-size:14px;z-index:30}
/* v2: phone login, billing, platform */
.banner{background:#fef3c7;color:#78350f;border:1px solid #fcd34d;border-radius:var(--r);padding:10px 14px;margin-bottom:14px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.banner.bad{background:#fee2e2;color:#7f1d1d;border-color:#fca5a5}.banner.ok{background:#dcfce7;color:#14532d;border-color:#86efac}
@media (prefers-color-scheme:dark){.banner{background:#422006;color:#fde68a;border-color:#92400e}.banner.bad{background:#450a0a;color:#fecaca;border-color:#991b1b}.banner.ok{background:#052e16;color:#bbf7d0;border-color:#166534}}
.code input{letter-spacing:.4em;font-size:22px;text-align:center;font-family:ui-monospace,monospace}
.stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:10px 0}.stat div{background:var(--soft);border-radius:8px;padding:12px}.stat b{display:block;font-size:22px;font-weight:700}.stat span{font-size:12px;color:var(--mute)}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:var(--soft)}.pill.ok{background:#dcfce7;color:#166534}.pill.bad{background:#fee2e2;color:#991b1b}.pill.warn{background:#fef3c7;color:#92400e}
.sec{margin-top:18px}.sec h2{margin-bottom:6px}.help{font-size:12px;color:var(--mute);margin-top:3px}
.install .qr{background:#fff;border-radius:8px;padding:6px;width:180px;height:180px;flex:none}.install code{white-space:pre-wrap;display:block;margin-top:6px}
.btn-link{display:inline-flex;align-items:center;background:var(--acc);color:#fff;padding:8px 12px;border-radius:8px;font-weight:600;text-decoration:none}.btn-link:hover{background:var(--acc2)}
.install > .row{flex-direction:column;align-items:center !important;text-align:center}.install > .row .grow{width:100%}.install > .row .row{justify-content:center}
.enroll{text-align:center;padding:12px;border-bottom:1px solid #bfdbfe}.bigcode{font:700 40px/1.1 ui-monospace,Menlo,monospace;letter-spacing:.18em;margin:6px 0 4px}.enroll button.small{margin-top:8px;padding:5px 10px;font-size:13px}
button.small{padding:5px 10px;font-size:13px;margin-top:6px}.tile input{min-width:0}
.stage img#cam{position:absolute;right:12px;top:12px;width:30%;max-width:320px;border:2px solid #334155;border-radius:8px;background:#000;max-height:40%}