/* 通用组件与明暗主题；大屏布局见 dashboard.css，参数弹窗见 ui.css。 */
:root {
  color-scheme: light;
  --bg:#f4f7fa; --panel:#ffffff; --soft:#f7f9fb; --line:#e5eaf0; --line-strong:#d5dde6;
  --text:#192b3d; --muted:#687b8e; --faint:#8291a1; --accent:#0b847c; --accent-hover:#086b65;
  --accent-soft:#e6f5f2; --blue:#397cce; --blue-soft:#edf4fd; --violet:#7866b9; --violet-soft:#f1eef9;
  --success:#137c61; --success-bg:#e9f6ef; --warn:#956119; --warn-bg:#fff4df; --danger:#b44848; --danger-bg:#fdefed;
  --shadow:0 2px 4px #21354b03,0 6px 20px #21354b03;
  --chart-bg:#ffffff; --chart-grid:#e9edf3; --chart-text:#798b9d; --chart-target:#cc8a24; --chart-actual:#0d9488;
  --radius:14px;
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-synthesis:none;
}
:root[data-theme="dark"] {
  color-scheme:dark;
  --bg:#061425; --panel:#0b2038; --soft:#0d2945; --line:#183e60; --line-strong:#265a80;
  --text:#dfedff; --muted:#9bb5d1; --faint:#7895b5; --accent:#28bcff; --accent-hover:#64ceff;
  --accent-soft:#0c3552; --blue:#3aaaff; --blue-soft:#102f51; --violet:#af9bf4; --violet-soft:#242d50;
  --success:#39e3aa; --success-bg:#0a3438; --warn:#f3c37b; --warn-bg:#372f23; --danger:#ff979f; --danger-bg:#3e2437;
  --shadow:0 2px 14px #00000018,inset 0 1px 0 #54baff06;
  --chart-bg:#0b2038; --chart-grid:#183852; --chart-text:#86a6c9; --chart-target:#ffc370; --chart-actual:#34dbbe;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:95px}
body{margin:0;background:var(--bg);color:var(--text);min-width:320px;font-size:14px;line-height:1.5}
h1,h2,h3,p{margin:0}
button,input,select{font:inherit}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent}
button,a{touch-action:manipulation}
button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:37px;padding:8px 13px;border:1px solid var(--line-strong);border-radius:8px;background:var(--panel);color:var(--text);font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,box-shadow .15s}
button:hover:not(:disabled){background:var(--soft);border-color:var(--faint)}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled{opacity:.4;cursor:not-allowed}
button.primary{background:var(--accent);border-color:var(--accent);color:white;box-shadow:0 2px 3px #0d6f6610}
button.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}
[data-theme="dark"] button.primary{color:#082c29}
button.ghost{background:transparent}
button.subtle{border-color:transparent;background:var(--soft);color:var(--muted)}
.small-button{font-size:11px;min-height:32px;padding:6px 10px}
.icon-button{height:36px;width:36px;min-width:36px;padding:8px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
svg{display:block;width:19px;height:19px;flex:none}
[data-icon]{display:inline-flex;flex:none;align-items:center;justify-content:center}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;left:20px;top:-100px;z-index:100;background:var(--panel);padding:12px;color:var(--accent)}
.skip-link:focus{top:12px}
.sidebar{position:fixed;inset:0 auto 0 0;width:220px;background:#102334;color:#adbecc;display:flex;flex-direction:column;padding:30px 18px 20px;z-index:20}
.brand{display:flex;gap:11px;align-items:center;color:#f1f7fb;text-decoration:none;padding:0 8px;font-size:17px;font-weight:650;letter-spacing:.025em}
.brand-mark{background:#1b8f87;border:1px solid #35ab9b5c;border-radius:11px;width:39px;height:41px;color:#e8fff8}
.brand-mark svg{width:27px;height:27px}
.brand-caption{display:block;font-size:9px;color:#82a2b6;letter-spacing:.19em;margin-top:3px;font-weight:500}
.workspace-label{display:flex;justify-content:space-between;color:#708ca1;font-size:10px;letter-spacing:.1em;padding:36px 12px 13px}
.workspace-label span{font-size:9px;border:1px solid #314657;padding:0 4px;border-radius:3px}
.side-nav{display:grid;gap:5px}
.side-nav a{display:flex;align-items:center;gap:12px;color:#9ab0c2;text-decoration:none;font-size:13px;padding:13px 13px;border-radius:8px;border:1px solid transparent;transition:background .15s,color .15s}
.side-nav a:hover{background:#1b3345;color:#d7e7f1}
.side-nav a.active{background:#18413f;color:#92e2d1;border-color:#2b5d551f}
.nav-index{margin-left:auto;font-size:10px;color:#57798d;font-variant-numeric:tabular-nums}
.side-nav .active .nav-index{color:#6aab9e}
.sidebar-bottom{margin-top:auto;padding-top:32px}
.side-note{display:flex;gap:12px;padding:16px 12px;border-top:1px solid #273b4d;font-size:12px;color:#b7c9d7}
.side-note>[data-icon]{color:#6ea29d;align-self:flex-start;margin-top:2px}
.side-note p{font-size:10px;color:#7691a5;margin-top:4px}
.sidebar-setting{display:flex;width:100%;justify-content:flex-start;border:1px solid #2b4254;background:#192f40;color:#bdcfdc;font-weight:500;font-size:12px;padding:11px 12px}
.sidebar-setting [data-icon]:last-child{margin-left:auto}
.sidebar-setting:hover:not(:disabled){background:#254458;border-color:#38576b}
.sidebar-version{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.06em;color:#6e8a9d;padding:20px 9px 0}
.app-shell{margin-left:220px}
.topbar{position:sticky;top:0;z-index:15;min-height:74px;padding:14px 32px;border-bottom:1px solid var(--line);background:var(--panel);display:flex;justify-content:space-between;align-items:center;gap:16px}
.breadcrumb{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:12px;white-space:nowrap}
.breadcrumb>[data-icon]{color:var(--faint)}
.breadcrumb i{font-style:normal;color:var(--line-strong)}
.breadcrumb strong{font-weight:500;color:var(--text)}
.toolbar{display:flex;align-items:center;gap:9px}
.toolbar .icon-button{border-color:transparent}
.badge,.state,.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 8px;border-radius:6px;font-size:10px;font-weight:500;line-height:1.5;background:var(--soft);color:var(--muted)}
.badge::before,.state::before{content:"";width:5px;height:5px;background:currentColor;border-radius:50%;flex:none}
.badge{white-space:nowrap;border:1px solid var(--line);padding:5px 9px}
.state{max-width:55%;text-align:right}
.badge.online,[data-tone="success"]{color:var(--success);background:var(--success-bg)}
[data-tone="warning"]{color:var(--warn);background:var(--warn-bg)}
[data-tone="danger"]{color:var(--danger);background:var(--danger-bg)}
.mobile-nav{display:none}
.page{padding:32px;max-width:1740px;margin:auto}
.hero{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}
.eyebrow{font-size:10px;letter-spacing:.15em;font-weight:650;color:var(--faint)}
.hero h1{display:flex;gap:13px;align-items:center;font-size:28px;font-weight:650;letter-spacing:.015em;margin:6px 0 8px;line-height:1.3}
.title-dot{width:7px;height:7px;background:var(--accent);border-radius:50%}
.muted{font-size:12px;color:var(--muted);line-height:1.7}
.hero-heading .muted{max-width:460px}
.hero-stats{display:flex;flex-shrink:0;border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:16px 0;box-shadow:var(--shadow)}
.hero-stats>div{padding:0 22px;border-right:1px solid var(--line);min-width:105px;max-width:180px}
.hero-stats>div:last-child{border:0}
.hero-stats span{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted);white-space:nowrap}
.hero-stats svg{width:12px;height:12px}
.hero-stats strong{display:block;font-size:17px;font-weight:600;margin-top:6px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.grid{display:grid;gap:20px}
.grid>*{min-width:0}
.metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow);min-width:0}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.card-title h2,.card-title h3{font-size:14px;font-weight:650;line-height:1.5}
.title-with-icon{display:flex;align-items:center;gap:10px;min-width:0}
.card-icon{display:inline-flex;align-items:center;justify-content:center;width:33px;height:33px;border-radius:9px;flex:none}
.card-icon svg{width:18px;height:18px}
.teal{background:var(--accent-soft);color:var(--accent)}
.blue{background:var(--blue-soft);color:var(--blue)}
.violet{background:var(--violet-soft);color:var(--violet)}
.neutral{background:var(--soft);color:var(--muted)}
.metric-card{display:flex;flex-direction:column}
.speed-card{border-top:2px solid var(--accent);padding-top:21px}
.metric-main{display:flex;align-items:center;gap:11px;margin:0 0 18px}
.metric-main strong{font-size:42px;font-weight:600;line-height:1.15;letter-spacing:-.045em;font-variant-numeric:tabular-nums}
.speed-card .metric-main strong{color:var(--accent)}
.metric-main>span{font-size:12px;color:var(--muted);align-self:flex-end;padding-bottom:2px}
.metric-main>span>span{display:block;font-size:10px;margin-top:2px}
.metric-row{display:flex;justify-content:space-between;gap:6px 12px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-top:11px}
.metric-row b{color:var(--text);font-weight:550;margin-left:3px;font-variant-numeric:tabular-nums}
.metric-row.small{font-size:10px}
.meter{height:4px;background:var(--line);border-radius:8px;overflow:hidden;margin:14px 0 3px}
.meter i{display:block;height:100%;width:0;background:var(--accent);border-radius:8px;transition:width .2s}
.card-foot{border-top:1px solid var(--line);padding-top:13px;margin-top:auto}
.metric-card>.metric-row:last-child{margin-top:12px}
.coordinate-pair{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px;background:var(--soft);border-radius:8px;margin-top:11px;font-size:10px;color:var(--muted)}
.coordinate-pair b{display:block;font-size:12px;color:var(--text);font-weight:550;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.attitude-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:18px}
.attitude-values>div{background:var(--soft);border-radius:9px;padding:12px 8px;min-width:0}
.attitude-values span{font-size:9px;color:var(--muted);white-space:nowrap}
.attitude-values b{font-weight:600;font-size:22px;font-variant-numeric:tabular-nums;display:block;margin-top:6px;letter-spacing:-.04em}
.attitude-values small{font-size:9px;color:var(--faint)}
.data-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}
.axis-row{margin:10px 0 15px}
.axis-row>span{display:flex;gap:4px;align-items:center}
.axis-row i{font-style:normal;border-radius:4px;font-size:10px;padding:1px 5px;background:var(--soft);color:var(--faint)}
.section-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:28px 0 15px}
.section-heading>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.section-heading h2{font-size:14px;font-weight:650}
.section-index{font-size:9px;color:var(--accent);padding:2px 6px;border:1px solid var(--line-strong);border-radius:4px;font-variant-numeric:tabular-nums}
.section-description,.section-hint{font-size:11px;color:var(--muted)}
.section-description{padding-left:10px;border-left:1px solid var(--line-strong)}
.motors{grid-template-columns:repeat(2,minmax(0,1fr))}
.motor .card-title{margin:0}
.motor-main{display:flex;gap:20px;align-items:center;margin:20px 0}
.motor-dial{position:relative;display:grid;place-items:center;width:84px;height:84px;flex:none}
.motor-dial svg{width:84px;height:84px;transform:rotate(135deg)}
.dial-track,.dial-value{fill:none;stroke-width:5;stroke-linecap:round;stroke-dasharray:165 220}
.dial-track{stroke:var(--line)}
.dial-value{stroke:var(--accent);stroke-dasharray:0 220;transition:stroke-dasharray .2s}
.motor:nth-child(2) .dial-value{stroke:var(--blue)}
.motor-dial>[data-icon]{position:absolute;color:var(--faint)}
.motor-dial>[data-icon] svg{width:25px;height:25px;transform:none}
.motor-rpm strong{font-size:34px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.motor-rpm>span{font-size:11px;color:var(--muted);margin-left:6px}
.motor-rpm p{font-size:10px;color:var(--faint);margin-top:2px}
.motor-output{margin-left:auto;font-size:10px;color:var(--muted);text-align:right}
.motor-output strong{font-weight:600;font-size:23px;color:var(--text)}
.motor-output strong small{font-size:12px;margin-left:3px}
.motor-output p{margin-top:3px}
.motor-values{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.motor-values>div{padding-left:12px;border-left:1px solid var(--line)}
.motor-values>div:first-child{padding-left:0;border-left:0}
.motor-values span{display:block;font-size:10px;color:var(--muted);margin-bottom:4px}
.motor-values b{font-size:16px;font-weight:550;font-variant-numeric:tabular-nums}
.motor-values small{font-size:10px;color:var(--muted);margin-left:3px}
.motor-extra{display:flex;gap:6px 16px;flex-wrap:wrap;margin-top:12px;font-size:10px;color:var(--muted)}
.motor-extra b{font-weight:500;color:var(--text)}
.button-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.wide-grid,.lower-grid{grid-template-columns:1.12fr 1fr}
.chart-card,.map-card,.attitude-card,.diagnostics-card{display:flex;flex-direction:column}
.chart-card .card-title,.map-card .card-title{margin-bottom:15px}
.card-title .muted{font-size:10px;margin-top:3px}
.chart-legend{display:flex;gap:18px;align-items:center;font-size:10px;color:var(--muted);margin:4px 0 8px}
.chart-legend>span{display:flex;gap:6px;align-items:center}
.chart-window{margin-left:auto}
.chart-legend i{height:3px;width:15px;border-radius:3px}
.target-line{background:var(--chart-target)}.actual-line{background:var(--chart-actual)}
.chart-card canvas{width:100%;height:265px;display:block}
.chart-readouts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);padding-top:16px;margin-top:auto;gap:12px}
.chart-readouts span{display:block;color:var(--muted);font-size:10px}
.chart-readouts b{font-size:16px;font-weight:550;display:block;margin-top:4px;font-variant-numeric:tabular-nums}
.chart-readouts>div:first-child b{color:var(--chart-target)}
.chart-readouts>div:nth-child(2) b{color:var(--chart-actual)}
.map-stage{position:relative;min-width:0;border-radius:9px;overflow:hidden;border:1px solid var(--line)}
#map{height:270px;background:var(--soft);z-index:0}
.map-empty{position:absolute;inset:0;background:var(--panel);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:36px 36px}
.map-empty>[data-icon]{color:var(--accent);background:var(--accent-soft);border:7px solid var(--panel);border-radius:50%;height:65px;width:65px}
.map-empty strong{font-size:13px;background:var(--panel);padding:0 8px}
.map-empty>span:last-child{color:var(--muted);font-size:11px;background:var(--panel);padding:0 8px}
.map-controls{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-top:14px}
.map-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:7px;font-size:9px;color:var(--muted);margin-top:10px}
#mapCoordinate{font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.map-velocity-anchor{background:none;border:0;pointer-events:none}
.map-velocity-vectors{position:absolute;left:-132px;top:-132px;width:264px;height:264px;overflow:visible;pointer-events:none}
.map-vector{fill:none;stroke-linecap:round;stroke-linejoin:round}
.map-vector.target{color:var(--chart-target)}
.map-vector.actual{color:var(--chart-actual)}
.vector-halo,.vector-head-halo{stroke:var(--panel);stroke-width:8;stroke-opacity:.9}
.vector-shaft,.vector-head{stroke:currentColor;stroke-width:3}
.map-vector.target .vector-shaft{stroke-width:7;stroke-dasharray:7 5}
.map-vector.target .vector-head{stroke-width:6}
.map-vector.target .vector-halo,.map-vector.target .vector-head-halo{stroke-width:10}
.map-vector.actual .vector-halo,.map-vector.actual .vector-head-halo{stroke-width:5}
.vector-zero{stroke:currentColor;stroke-width:2;fill:var(--panel)}
.map-vector-readouts{display:flex;flex-wrap:wrap;gap:7px 16px;margin-top:12px;font-size:10px}
.map-vector-readouts>span{display:flex;align-items:center;gap:6px;min-width:0;color:var(--muted)}
.map-vector-readouts b{font-weight:550;font-variant-numeric:tabular-nums;color:var(--text);overflow-wrap:anywhere}
.map-vector-readouts i{width:16px;height:0;border-top:3px solid var(--chart-actual);flex:none}
.map-vector-readouts .target i{border-top:3px dashed var(--chart-target)}
.map-vector-status{font-size:10px;color:var(--muted);line-height:1.6;margin-top:8px}
.track-legend{display:flex;gap:5px;flex-wrap:wrap;margin-top:12px}
.track-legend>span{font-size:9px;color:var(--muted);display:flex;gap:4px;align-items:center;background:var(--soft);border-radius:4px;padding:3px 4px}
.track-legend i{height:5px;width:9px;border-radius:2px}
.boat-pin{color:#d38927;font-size:24px;text-shadow:0 1px 3px #fff;pointer-events:none}
.boat-pin span{display:block;text-align:center;line-height:30px;transform-origin:center}
.leaflet-container{font-family:inherit}
.leaflet-control-attribution{font-size:9px!important}
.attitude-stage{position:relative;border-radius:10px;overflow:hidden;background:#07141e}
#boatCanvas{width:100%;height:310px;display:block;touch-action:none}
.stage-label{position:absolute;left:14px;top:12px;display:flex;align-items:center;gap:6px;background:#122c3ab0;border:1px solid #ffffff12;color:#9cb6c7;border-radius:6px;padding:5px 8px;font-size:9px;pointer-events:none}
.stage-label svg{width:13px;height:13px}
.viewer-controls{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-top:15px}
.inline-controls{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.switch-label{display:inline-flex;gap:6px;align-items:center;position:relative;cursor:pointer;font-size:11px;color:var(--muted)}
.switch-label input{position:absolute;opacity:0;width:28px;height:16px;margin:0;left:0;cursor:pointer}
.switch-track{width:27px;height:15px;display:inline-block;border-radius:10px;background:var(--line-strong);position:relative;flex:none}
.switch-track::after{content:"";position:absolute;height:11px;width:11px;top:2px;left:2px;border-radius:50%;background:white;box-shadow:0 1px 2px #0002;transition:transform .16s}
.switch-label input:checked+.switch-track{background:var(--accent)}
.switch-label input:checked+.switch-track::after{transform:translateX(12px)}
.switch-label input:focus-visible+.switch-track{outline:2px solid var(--accent);outline-offset:3px}
.quality-label{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.quality-label select{font-size:11px;padding:4px 5px;border-radius:5px;background:var(--soft);border:1px solid var(--line);color:var(--text)}
.viewer-status{font-size:10px;color:var(--muted);padding-top:12px}
.connection-route{display:flex;align-items:center;justify-content:space-between;border-radius:9px;background:var(--soft);padding:15px;margin-bottom:20px}
.connection-route span{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px}
.connection-route svg{width:16px;height:16px;color:var(--faint)}
.connection-route>b{font-size:12px;color:var(--line-strong)}
.diag-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 12px}
.diag-grid>span{font-size:10px;color:var(--muted)}
.diag-grid b{display:block;font-size:17px;font-weight:550;color:var(--text);margin-top:4px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.connection-details{border-top:1px solid var(--line);margin-top:22px;padding-top:14px}
.connection-details summary{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);cursor:pointer;list-style:none}
.connection-details summary::-webkit-details-marker{display:none}
.connection-details summary svg{width:15px;height:15px}
.connection-details[open] summary svg{transform:rotate(180deg)}
.characteristic{display:grid;gap:5px;margin-top:12px;font-size:10px}
.characteristic span{color:var(--muted)}
.characteristic b{font-size:10px;font-weight:500;overflow-wrap:anywhere}
.connection-details .muted{font-size:10px;margin:12px 0}
.settings-callout{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:9px;padding:14px;margin-top:auto;background:var(--soft)}
.settings-callout strong{font-size:12px;font-weight:550}
.settings-callout p{font-size:10px;color:var(--muted);margin-top:3px}
.settings-callout button{margin-left:auto;flex:none}
.diagnostics-card .connection-details{margin-bottom:22px}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:9px;letter-spacing:.03em;color:var(--faint);padding:26px 0 0}
footer b{font-weight:400;padding:0 5px}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:var(--text);color:var(--panel);box-shadow:0 8px 30px #0002;border-radius:10px;padding:13px 18px;font-size:12px;max-width:calc(100% - 32px);width:max-content;z-index:40;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}