@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');
:root{color-scheme:dark;--bg:#080e1d;--card:#101b30;--card2:#142039;--edge:#27354d;--txt:#f0f5ff;--muted:#94a4bd;--dim:#64758e;--cyan:#51c7fe;--mint:#5de0b3;--amber:#ffb86b;--red:#ff758b}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--txt);font-family:'DM Sans','Noto Sans TC',system-ui,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--cyan)}.hidden{display:none!important}.ambient{position:fixed;pointer-events:none;filter:blur(96px);z-index:-1;border-radius:50%}.ambient-one{height:500px;width:500px;background:#112a4b80;top:-240px;right:-160px}.ambient-two{width:370px;height:370px;background:#0d203b80;left:-250px;top:420px}.page{max-width:1280px;padding:0 36px;margin:0 auto}.topbar{height:94px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff0d}.brand{display:flex;align-items:center;gap:13px}.brand-icon{display:grid;place-items:center;width:40px;height:44px;background:linear-gradient(140deg,#72d7f9,#536ef9);border-radius:13px;color:#fff;font-size:26px;font-weight:800;box-shadow:0 7px 28px #468cf155}.brand strong{display:block;font-size:20px;letter-spacing:-.7px;line-height:1.15}.brand-light{color:#73c5ef}.brand small{font-size:9px;letter-spacing:2px;font-weight:800;color:#7488a5}.top-right{display:flex;gap:12px;align-items:center}.chip{border-radius:999px;padding:8px 12px;display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:800;letter-spacing:.7px;border:1px solid #2c405a}.chip-live{color:#8ce3ce;background:#14342e70}.status-dot,.small-dot{width:7px;height:7px;border-radius:50%;background:#5de0b3;box-shadow:0 0 12px #5de0b366}.icon-btn{height:37px;width:37px;border-radius:10px;border:1px solid var(--edge);background:#172238;color:#bed1e9;font-size:20px}.icon-btn:hover,.btn-secondary:hover{border-color:#5b7599}.hero{display:flex;justify-content:space-between;align-items:flex-end;padding:50px 0 35px;gap:16px}.eyebrow,.section-overline{font-size:10px;font-weight:800;letter-spacing:2.7px;color:#67c4f5}.eyebrow{display:flex;align-items:center;gap:8px}.eyebrow-line{display:inline-block;width:16px;height:2px;background:#67c4f5}.hero h1{font-size:clamp(33px,4vw,49px);letter-spacing:-1.8px;margin:12px 0 4px;font-weight:800}.title-period{color:var(--cyan)}.hero p{font-size:13px;color:var(--muted);margin:7px 0 0}.hero-controls,.section-actions{display:flex;align-items:center;gap:10px}.btn{border:1px solid transparent;padding:12px 17px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:750;font-size:12px;white-space:nowrap;transition:.15s}.btn-primary{background:linear-gradient(130deg,#64cfff,#627dff);color:#061328;box-shadow:0 6px 24px #538afa29}.btn-primary:hover{filter:brightness(1.1)}.btn-secondary{background:#172238;color:#e0ecff;border-color:#293a53}.btn-danger{background:#341f2c;color:#ff9da8;border-color:#653143}.btn-sm{padding:9px 11px;font-size:11px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric{background:linear-gradient(142deg,#15233a,#101b30);border:1px solid #263750;border-radius:17px;padding:22px 24px;min-height:148px}.metric-label{display:flex;justify-content:space-between;align-items:center;color:#9eafc5;font-size:12px;font-weight:700}.metric-glyph{color:#78c7f4;font-size:17px}.metric-glyph.green{color:var(--mint)}.metric-glyph.orange{color:var(--amber)}.metric-glyph.pink{color:var(--red)}.metric-number{font-size:38px;font-weight:800;line-height:1.3;margin-top:8px;letter-spacing:-1.7px}.metric-number.warn{color:var(--amber)}.metric-caption{font-size:10px;color:#8295ac;display:flex;gap:7px;align-items:center}.green-dot{height:6px;width:6px;box-shadow:none}.main-section{margin-top:48px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:21px}.section-heading h2,.panel-header h2,.help-panel h2{font-size:21px;margin:6px 0 0;letter-spacing:-.5px}.subcount{font-weight:600;font-size:12px;color:#87a2c2;background:#1c2a41;padding:3px 9px;border-radius:999px;vertical-align:middle}.filters{display:flex;gap:6px;background:#101b2d;padding:5px;border-radius:11px;border:1px solid #26334a}.filter{border:0;background:none;color:#8797af;font-size:11px;padding:8px 13px;border-radius:8px;font-weight:750}.filter.active{background:#253751;color:#ecf5ff}.device-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.device-card{background:linear-gradient(145deg,#14213a,#101b2e);border:1px solid #283a55;border-radius:18px;padding:22px;min-height:243px;transition:transform .15s,border-color .15s}.device-card:hover{transform:translateY(-2px);border-color:#45658c}.device-card.is-low{border-color:#77533f}.device-card.is-stale{border-color:#68435a}.device-top{display:flex;align-items:start;gap:12px}.device-emblem{height:43px;width:43px;display:grid;place-items:center;background:#213452;color:#83d0ff;font-size:23px;border:1px solid #345071;border-radius:13px;flex-shrink:0}.device-identity{min-width:0;flex:1}.device-identity strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}.device-identity small{display:block;color:#8aa2bd;font-size:10px;margin-top:5px}.card-menu{color:#a0aec4;background:none;border:0;font-size:22px;margin:-9px -8px 0 0;padding:7px}.card-body{display:flex;align-items:center;justify-content:space-between;margin:20px 0 6px}.battery-value{font-size:38px;line-height:1.15;font-weight:800;letter-spacing:-1.5px}.battery-value small{font-size:19px;color:#a5b9d2;margin-left:2px}.battery-value.low{color:#ffbf80}.battery-value.stale{color:#b5a5c7}.battery-graphic{position:relative;width:51px;height:25px;border:2px solid #7594b6;border-radius:6px;padding:3px}.battery-graphic:after{position:absolute;content:'';width:4px;height:10px;right:-7px;top:5px;background:#7594b6;border-radius:0 3px 3px 0}.battery-fill{height:100%;border-radius:2px;background:#68dfb5}.battery-fill.low{background:#f9ab76}.battery-fill.mid{background:#65cfff}.device-track{height:5px;background:#293951;border-radius:100px;overflow:hidden;margin:13px 0 12px}.device-progress{height:100%;border-radius:100px;background:linear-gradient(90deg,#5099d8,#76d8f4)}.device-progress.low{background:linear-gradient(90deg,#e7785d,#ffc078)}.device-progress.charging{background:linear-gradient(90deg,#55aaac,#65e9b0)}.device-meta{display:flex;justify-content:space-between;gap:5px;align-items:center;color:#92a4b8;font-size:11px}.state-tag{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:700}.state-tag.green{color:#7ce3ba}.state-tag.amber{color:#ffb976}.state-tag.red{color:#ff8ca2}.state-tag.gray{color:#93a4bd}.card-actions{display:flex;gap:8px;margin-top:19px}.card-actions button{flex:1;background:#1d304a;border:1px solid #31455f;color:#c3d8ee;border-radius:9px;padding:9px;font-size:11px;font-weight:700}.card-actions button:hover{background:#2b4564}.card-actions button:disabled{opacity:.48}.card-actions button.primary-action{background:#1e4055;color:#89dcff}.empty-state{border:1px dashed #405673;border-radius:19px;min-height:270px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:28px}.empty-art{font-size:48px;color:#7bcfff}.empty-state strong{font-size:19px}.empty-state p{font-size:12px;color:var(--muted);max-width:320px}.bottom-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:19px;margin:30px 0 52px}.activity-panel,.help-panel{border:1px solid #283a52;border-radius:19px;padding:24px;background:#111d31}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.muted-chip{color:#94a5bc;background:#1d2d44;font-size:10px;border-color:#32435c}.event-list{max-height:350px;overflow:auto}.event-item{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid #ffffff0a}.event-item:last-child{border-bottom:0}.event-icon{flex-shrink:0;border-radius:11px;height:33px;width:33px;display:grid;place-items:center;background:#303048;color:#f0b281}.event-icon.offline{background:#412d42;color:#ffa1bd}.event-icon.recovered{background:#21463d;color:#6bd9ab}.event-text{min-width:0;flex:1}.event-title{font-size:12px;font-weight:750;margin-bottom:4px}.event-message{font-size:10px;color:#91a2b6;line-height:1.65;overflow-wrap:anywhere}.event-when{white-space:nowrap;color:#6c809b;font-size:10px}.placeholder{color:#8093ac;font-size:12px;padding:25px 0}.help-panel{background:radial-gradient(ellipse at top right,#1c3654,#111e31 70%)}.help-panel>p{font-size:12px;line-height:1.8;color:#9db0c8}.guide-steps{margin-top:23px}.guide-steps>div{display:flex;gap:12px;align-items:center;margin:14px 0}.guide-steps span{font-size:11px;letter-spacing:1px;font-weight:800;color:#83d4f6;background:#243d56;padding:8px;border-radius:8px}.guide-steps p{font-size:11px;margin:0;color:#bdd0e5}.text-link,.demo-link{border:0;background:transparent;color:#79cff9;font-size:12px;font-weight:750;margin-top:11px;padding:5px 0}.footer{border-top:1px solid #ffffff12;padding:21px 0 27px;display:flex;justify-content:space-between;gap:10px;color:#a0b2ca;font-size:10px}.footer-muted{color:#5a6e89}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:25px}.login-card{position:relative;max-width:440px;width:100%;padding:42px;border-radius:27px;background:linear-gradient(130deg,#1b2a43,#10192e);border:1px solid #344969;box-shadow:0 28px 100px #0006}.brand-login{margin-bottom:33px}.login-orb{width:60px;height:60px;background:#3b6cd637;display:grid;place-items:center;font-size:31px;border-radius:18px;margin-bottom:16px}.login-card h1{font-size:27px;letter-spacing:-1px;margin-bottom:9px}.login-card>p{font-size:12px;line-height:1.8;color:#a4b6ce}.login-card form{margin-top:30px}.login-card label,.field label{display:block;font-size:12px;font-weight:750;color:#c2d0e4;margin-bottom:8px}.login-card input,.field input,.field select{width:100%;background:#0b1528;border:1px solid #3b4b66;border-radius:10px;outline:none;color:#f2f6ff;padding:13px;font-size:13px}.login-card input:focus,.field input:focus,.field select:focus{border-color:#72caff;box-shadow:0 0 0 3px #50bdfa26}.login-submit{width:100%;margin-top:15px}.login-error{color:#ffa1b6!important}.demo-link{margin-top:22px}.modal-layer{position:fixed;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;padding:15px}.modal-shade{position:absolute;inset:0;background:#030812c9;backdrop-filter:blur(7px)}.modal{z-index:1;background:#142239;border:1px solid #425475;box-shadow:0 30px 110px #0009;border-radius:22px;width:min(570px,100%);max-height:min(88vh,900px);overflow-y:auto;padding:28px;position:relative}.modal-heading{display:flex;justify-content:space-between;align-items:start;margin-bottom:22px}.modal-heading h2{font-size:21px;margin:4px 0}.modal-heading p{font-size:12px;color:#90a6bf;line-height:1.8;margin:7px 0 0}.modal-close{background:#243650;border:1px solid #3d526e;color:#c7d7e9;font-size:18px;border-radius:10px;padding:5px 11px}.field{margin-bottom:16px}.field small,.help-text{font-size:10px;color:#8499b2;line-height:1.65;margin-top:6px;display:block}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap;margin-top:23px}.code-box{background:#0a1427;border:1px solid #304564;padding:13px 14px;border-radius:10px;font-size:11px;color:#a6edff;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.7;white-space:pre-wrap}.code-label{font-size:11px;font-weight:800;color:#bbd1eb;margin:16px 0 8px}.notice{border-radius:10px;padding:13px 14px;background:#294b603e;border:1px solid #365a74;color:#b8dbee;font-size:11px;line-height:1.8}.notice.warn{background:#3e30262e;border-color:#65513b;color:#e8b98f}.pill-action{border:1px solid #42607a;background:#213b53;color:#b9e2f9;padding:8px 10px;border-radius:8px;font-weight:750;font-size:10px}.config-row{display:flex;justify-content:space-between;align-items:center;gap:10px}.detail-summary{display:flex;align-items:center;gap:16px;background:#102039;border-radius:13px;padding:18px;margin-bottom:16px}.detail-big{font-size:39px;font-weight:800}.detail-caption{font-size:11px;color:#a1b5cf;line-height:1.7}.chart-wrap{background:#0c172a;border:1px solid #2e405e;border-radius:12px;padding:12px}.chart-wrap svg{width:100%;height:110px;display:block}.chart-labels{display:flex;justify-content:space-between;font-size:10px;color:#8099b5;margin:3px 3px 0}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,30px);z-index:30;background:#e1f5fc;color:#0d2239;border:1px solid #a8d9f5;box-shadow:0 15px 55px #0009;border-radius:12px;padding:13px 17px;font-size:12px;font-weight:750;opacity:0;pointer-events:none;transition:.25s;max-width:90vw}.toast.show{opacity:1;transform:translate(-50%,0)}.code-note{font-size:10px;color:#93abc4;line-height:1.8}.status-refresh{color:#86c4f6;font-size:11px}.demo-banner{color:#ffd79d;background:#70553435;border:1px solid #89683b;border-radius:12px;padding:12px 15px;font-size:12px;margin:15px 0}.inline-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
@media(max-width:1020px){.device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metrics{gap:10px}.metric{padding:18px}.bottom-layout{grid-template-columns:1fr 1fr}}@media(max-width:720px){.page{padding:0 17px}.topbar{height:73px}.brand strong{font-size:17px}.brand-icon{width:35px;height:38px}.chip-live{display:none}.hero{padding:33px 0 23px;display:block}.hero h1{font-size:38px}.hero-controls{margin-top:24px;display:grid;grid-template-columns:1fr 1fr}.hero-controls .btn{padding:12px 9px;font-size:11px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.metric{padding:16px;min-height:122px}.metric-number{font-size:32px}.metric-label{font-size:10px}.main-section{margin-top:36px}.section-heading{display:block}.section-actions{margin-top:17px}.filters{width:100%;justify-content:space-between}.filter{flex:1;padding:8px 5px;font-size:10px}.device-grid{grid-template-columns:1fr}.device-card{min-height:auto;padding:20px}.bottom-layout{grid-template-columns:1fr}.footer{display:block;line-height:2}.login-card{padding:29px 23px}.modal{padding:22px}.two-fields{grid-template-columns:1fr;gap:0}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}