:root{color-scheme:dark;font-family:Segoe UI,Inter,system-ui,Arial,sans-serif;background:#101925;color:#eaf1fb}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{border:1px solid #34465c;border-radius:7px;padding:10px 14px;background:#26364a;color:#eaf1fb;cursor:pointer}button:hover{background:#324961}button.primary{background:#187cb4;border-color:#328ecc}button.danger{color:#ff9d9d;border-color:#75434b}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #55c6fb;outline-offset:2px}h1,h2,h3,p{margin-top:0}h2{font-size:1.14rem}h3{font-size:1rem;margin-bottom:15px;margin-top:22px}.muted,small{color:#96abc4}small{display:block;margin-top:5px;font-size:.81rem}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 24px;background:#172435;border-bottom:1px solid #2d4055}.brand{display:flex;gap:14px;align-items:center}.brand img{width:55px;height:55px;border-radius:12px}.brand strong{letter-spacing:1px;font-size:1.12rem}.actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.actions span{font-size:.79rem;color:#93a9c4;margin-right:10px}main{max-width:1650px;padding:24px;margin:0 auto}.overview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:18px}.stat,.panel{background:#1d2b3d;border:1px solid #2a3c52;border-radius:12px}.stat{padding:17px 22px}.stat span{color:#98adc4;font-size:.85rem;display:block}.stat strong{display:block;font-size:1.9rem;margin-top:6px}.layout{display:grid;grid-template-columns:minmax(265px,350px) minmax(0,1fr);gap:18px}.panel{padding:20px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.panel-heading h2{margin-bottom:0}.device-list{display:flex;flex-direction:column;gap:10px}.device{display:block;width:100%;text-align:left;border-radius:9px;border:1px solid #3b4c63;background:#25364a;padding:15px;cursor:pointer}.device.selected{border-color:#49bafe;box-shadow:inset 0 0 0 1px #49bafe}.device b{font-size:1.04rem}.device-info{display:flex;justify-content:space-between;gap:8px;font-size:.78rem;color:#9db0c8;margin-top:8px}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#6b778a;margin-right:8px}.dot.online{background:#4bd692;box-shadow:0 0 10px #4bd69288}.detail-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.detail-stats>div{background:#26374d;border-radius:8px;padding:14px;min-width:0}.detail-stats span{display:block;font-size:.79rem;color:#98adc5}.detail-stats strong{font-size:.93rem;display:block;margin-top:7px;overflow-wrap:anywhere}.chart-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:28px}.chart-toolbar h3{margin:0 auto 0 0}.chart-toolbar select{max-width:100%;min-height:34px}.chart-wrap{background:#182638;border:1px solid #334660;border-radius:9px;margin-top:14px;padding:10px;position:relative}canvas{display:block;width:100%;height:260px}.hint{text-align:center;margin-top:-135px;margin-bottom:109px;pointer-events:none}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:10px}.metric{background:#283a4f;padding:12px;border-radius:8px;min-width:0}.metric small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.metric b{display:block;font-size:1.25rem;margin-top:6px}.events{display:flex;flex-direction:column;gap:0;max-height:360px;overflow:auto}.event{display:grid;grid-template-columns:150px 150px 1fr;gap:8px;border-bottom:1px solid #304258;padding:11px 2px;font-size:.86rem}.event span:first-child{color:#a1b4ce}.event .event-kind{font-weight:650}.event .event-note{color:#c6d6eb;overflow-wrap:anywhere}select,input{background:#132133;color:#f3f7ff;border:1px solid #53677f;border-radius:6px;padding:9px}.login-layout{min-height:100dvh;display:grid;place-items:center;padding:25px}.login-card{width:min(430px,100%);background:#1d2c3f;padding:35px;border-radius:16px;border:1px solid #35506a;box-shadow:0 15px 80px #03070d80}.login-logo{width:78px;height:78px;display:block;margin:0 auto 15px}.login-card h1{text-align:center;font-size:1.35rem}.login-card p{text-align:center;color:#9db1c9;margin-bottom:26px}.login-card label{display:block;font-size:.85rem;margin-bottom:8px}.login-card input,.login-card button{width:100%;margin-bottom:12px}.login-card .error{color:#ff9999;margin:0;font-size:.9rem}.modal{position:fixed;inset:0;background:#02070dcc;display:grid;place-items:center;padding:20px;z-index:10}.modal[hidden],.login-layout[hidden],#app[hidden],.toast[hidden]{display:none}.modal-card{padding:30px;border:1px solid #4a6076;background:#203046;border-radius:14px;text-align:center;max-width:440px}.code{font-size:2.4rem;letter-spacing:6px;padding:18px;border-radius:9px;background:#13283d;margin:20px 0;font-weight:700}.toast{position:fixed;bottom:20px;right:20px;max-width:400px;padding:13px 20px;border-radius:9px;background:#314e6c;border:1px solid #5186a5;z-index:20}@media(max-width:980px){.layout{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:stretch}.actions{justify-content:flex-start}.detail-stats{grid-template-columns:1fr 1fr}.brand strong{font-size:1rem}}@media(max-width:620px){main{padding:12px}.overview{gap:8px}.stat{padding:12px}.stat strong{font-size:1.35rem}.stat span{font-size:.7rem}.panel{padding:14px}.event{grid-template-columns:110px 80px 1fr;font-size:.75rem}.detail-stats{grid-template-columns:1fr}.chart-toolbar select{width:100%}}