@font-face{font-family:Inter;src:url('./fonts/inter-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('./fonts/inter-500.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:Inter;src:url('./fonts/inter-600.woff2') format('woff2');font-weight:600;font-display:swap}
:root{color-scheme:dark;--ground:#000;--surface:#111;--raised:#222;--text:#fff;--muted:#b4b4b4;--faint:#949494;--line:#252525;--control:#555;--accent:#c6f24e;--negative:#ff9a9a;--gap:14px;--pad:22px;--radius:16px;font-family:Inter,Arial,sans-serif;font-size:14px;font-weight:400}
*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--text);line-height:1.5}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{border:1px solid var(--control);border-radius:999px;padding:7px 14px;background:transparent;color:var(--text);cursor:pointer;min-height:36px;white-space:nowrap}button:hover:enabled{background:var(--raised);border-color:var(--muted)}button:disabled{color:var(--faint);border-color:var(--line);cursor:not-allowed}.primary{background:var(--text);color:var(--ground);border-color:var(--text);font-weight:600}.primary:hover:enabled{background:#ddd;color:#000}.primary:disabled{background:var(--raised);border-color:var(--raised)}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--muted)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}select{display:block;border:1px solid var(--control);border-radius:6px;background:var(--surface);color:var(--text);padding:8px 10px;max-width:100%;min-height:38px}input[type=range]{accent-color:var(--text);min-width:0}input[type=checkbox]{accent-color:var(--text);width:16px;height:16px}input[type=number]{width:100%;min-width:0;background:var(--raised);color:var(--text);border:1px solid var(--control);border-radius:5px;padding:8px}h1,h2,p{margin:0}h1{font-size:24px;font-weight:600;letter-spacing:-.03em;line-height:1.25}h2{font-size:14px;font-weight:500}p{color:var(--muted)}.small{font-size:12px;line-height:1.65;color:var(--muted)}.num,td:not(:first-child),strong{font-variant-numeric:tabular-nums}.topbar{height:64px;padding:0 26px;display:flex;gap:24px;align-items:center;border-bottom:1px solid var(--line)}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;font-weight:600;font-size:16px;white-space:nowrap}.brand svg{width:27px;height:31px;fill:none;stroke:var(--text);stroke-width:1.3}.brand circle{fill:var(--accent);stroke:var(--ground)}.session-label{color:var(--faint);font-size:12px}.topbar nav{margin-left:auto;display:flex;gap:24px;font-size:12px}.topbar nav a{text-decoration:none}
/* 1440px: 224px setup + 1px rule + 1215px main. Main's 44px padding
   leaves 1171px = 877px footage + 14px gap + 280px court map. */
.shell{display:grid;grid-template-columns:224px minmax(0,1fr);max-width:1680px;margin:auto}.setup{padding:24px 18px;border-right:1px solid var(--line);align-self:stretch}.setup h2{margin-bottom:12px}.source-tabs{display:flex;gap:8px;margin-bottom:16px}.source-tabs button{border:none;padding:5px 9px;color:var(--muted);font-size:12px;border-radius:5px}.source-tabs button[aria-pressed=true]{background:var(--raised);color:var(--text)}label{display:block;font-size:12px;margin-bottom:8px}.file-label{border:1px solid var(--control);border-radius:6px;padding:10px 12px;cursor:pointer;text-align:center;font-weight:500}.file-label input{display:block;font-size:11px;width:100%;margin-top:8px;color:var(--muted)}.file-label input::file-selector-button{display:none}.setup .small{margin-top:10px}.text-button{border:none;padding-left:0;padding-right:0;color:var(--muted);font-size:12px}.setup #demo{white-space:normal;text-align:left;margin-top:8px}.setup-section{margin-top:26px}.setup select,.wide{width:100%}.wide{font-size:12px;margin-top:8px}#corner-list{padding:0;list-style:none;counter-reset:corners;margin:14px 0}#corner-list li{counter-increment:corners;font-size:12px;display:flex;align-items:center;gap:10px;min-height:28px;color:var(--muted)}#corner-list li::before{content:counter(corners);display:inline-grid;place-items:center;width:19px;height:19px;border:1px solid var(--control);border-radius:50%;font-size:11px}#corner-list li.done{color:var(--text)}#corner-list li.done::before{background:var(--raised);border-color:var(--faint)}summary{cursor:pointer;color:var(--muted);font-size:12px}#precision{margin-top:14px}#corner-fields{margin-top:12px;display:grid;gap:10px}.coordinate-row{display:grid;grid-template-columns:1fr 1fr;gap:6px}.coordinate-row>span{grid-column:1/-1;color:var(--muted);font-size:12px}.coordinate-row label{margin:0;font-size:11px}.coordinate-row input{margin-top:4px}.privacy{padding-top:20px;border-top:1px solid var(--line)}main{padding:24px var(--pad);min-width:0}.title-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.title-row p{font-size:12px;margin-top:6px}.title-row button{font-size:12px}.status{font-size:12px;color:var(--muted);padding:10px 0 16px;min-height:42px}.status.error{color:var(--negative)}.status.working::before{content:'';display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-right:8px}.analysis-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:var(--gap);align-items:stretch}.video-panel,.heat-panel,.players-panel,.rally-panel,.record-panel{background:var(--surface);border-radius:var(--radius);overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:54px;padding:14px 18px}.panel-head>span{font-size:11px;color:var(--muted);text-align:right;overflow-wrap:anywhere}.stage{position:relative;height:340px;background:#060606;max-height:560px;margin:0 12px;overflow:hidden}.stage video,.stage>canvas{width:100%;height:100%;position:absolute;inset:0;object-fit:contain}.stage video{display:none}.stage.ready video{display:block}.stage.demo video{display:none}.stage.calibrating canvas{cursor:crosshair;touch-action:none}.empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;pointer-events:none}.empty svg{width:94px;height:112px;fill:none;stroke:#555;stroke-width:1.5;margin-bottom:18px}.empty .net{stroke:var(--accent);stroke-width:2.5}.empty h2{font-size:16px;margin-bottom:8px}.empty p{font-size:12px}.transport{padding:12px 16px;display:flex;align-items:center;gap:10px}.transport button{font-size:12px;padding:5px 12px}.transport input{flex:1;width:80px}.transport span{font-size:11px;white-space:nowrap}.transport select{font-size:11px;min-height:32px;padding:5px}.tracking-bar{display:flex;align-items:center;gap:12px;padding:0 16px 14px;flex-wrap:wrap}.tracking-bar button{font-size:12px}.check{display:flex;gap:6px;align-items:center;margin:0;font-size:11px;color:var(--muted)}#engine{margin-left:auto;font-size:11px}.session-stats{display:grid;grid-template-columns:repeat(3,1fr);padding:16px 18px;gap:14px;border-top:1px solid var(--line)}.session-stats span{display:block;font-size:11px;color:var(--muted)}.session-stats strong{display:block;font-size:22px;font-weight:400;margin-top:5px}.heat-panel{padding-bottom:14px;display:flex;flex-direction:column}.heat-panel>select{margin:0 18px;font-size:12px;width:calc(100% - 36px);min-height:32px;padding:5px 10px}#heatmap{display:block;width:100%;height:auto;max-height:374px;object-fit:contain;margin:8px auto 0}.heat-key{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);padding:0 22px}.heat-key span{display:flex;align-items:center;gap:6px}.heat-key i{width:9px;height:9px;display:inline-block}.low{background:#313725}.high{background:var(--accent)}#heat-note{padding:10px 18px 0;font-size:11px}.heat-panel>.text-button{margin:4px 18px 0;text-align:left;align-self:start}.players-panel{margin-top:var(--gap);padding-bottom:16px}.unit-control{display:flex;gap:6px}.unit-control button{font-size:11px;border:none;color:var(--muted);padding:4px 9px;min-height:28px}.unit-control button[aria-pressed=true]{color:var(--text);background:var(--raised);border-radius:5px}.table-wrap{padding:0 18px}table{border-collapse:collapse;width:100%;font-size:12px}th{font-size:11px;font-weight:400;color:var(--muted);padding:4px 10px 12px;text-align:right}td{padding:10px;border-top:1px solid var(--line);text-align:right}th:first-child,td:first-child{text-align:left;padding-left:0}th:last-child,td:last-child{padding-right:0}.player-label{display:flex;align-items:center;gap:8px}.player-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;flex:none}.player-name{border:1px solid transparent;border-radius:3px;padding:2px 3px;color:var(--text);background:transparent;width:110px;max-width:100%;font-size:12px}.player-name:hover,.player-name:focus{border-color:var(--control)}.player-state{font-size:11px;color:var(--faint);margin-left:17px}.players-panel>p{padding:8px 18px 0;font-size:11px}.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);margin-top:var(--gap)}.bottom-grid .panel-head button{font-size:11px;min-height:30px;padding:5px 10px}.bottom-grid p{padding:0 18px 12px}.bottom-grid ol{margin:0 18px 16px;padding:0;list-style:none;font-size:12px;max-height:160px;overflow:auto}.bottom-grid li{padding:6px 0;display:flex;justify-content:space-between;gap:10px}.inline-actions{padding:0 18px 12px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}.inline-actions button{font-size:11px}.help{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}.help summary{font-size:12px}.help>div{max-width:840px;padding-top:16px;display:grid;gap:12px;font-size:12px}.help a{color:var(--text)}footer{display:flex;justify-content:space-between;gap:12px;padding:28px 0 8px;font-size:11px;color:var(--faint)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}[hidden]{display:none!important}
@media(min-width:1500px){.analysis-grid{grid-template-columns:minmax(0,1fr) 280px}}@media(max-width:1100px){.shell{grid-template-columns:1fr}.setup{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;border-right:0;border-bottom:1px solid var(--line);padding:18px 22px}.setup>h2,.source-tabs,#upload-options,#camera-options,#demo{grid-column:1}.setup>.setup-section{grid-column:2;grid-row:auto;margin-top:14px}.setup>.setup-section:has(#players){grid-row:1/3;margin:0}.setup>.setup-section:has(#calibrate){grid-row:3/8;margin-top:0}.setup .privacy{display:none}.setup>h2{margin-bottom:8px}#corner-list{display:flex;flex-wrap:wrap;gap:0 12px}#corner-list li{font-size:11px}main{padding-top:20px}.analysis-grid{grid-template-columns:minmax(0,1fr) 230px}.tracking-bar{gap:8px}.tracking-bar #engine{width:100%;margin:0}.stage{min-height:240px}}@media(max-width:700px){.topbar{height:56px;padding:0 16px;gap:12px}.brand{font-size:14px}.brand svg{width:22px;height:27px}.session-label{display:none}.topbar nav{gap:14px;font-size:11px}.shell{display:block}.setup{padding:16px;display:block}.setup>h2{display:none}.source-tabs{margin-bottom:10px}.file-label{display:flex;align-items:center;gap:8px;margin-bottom:0;text-align:left}.file-label input{margin:0;width:90px;flex:1}.setup #file-help{margin-top:8px}.setup>#demo{margin-top:0}.setup-section{margin-top:14px!important}.setup-section:has(#players){display:inline-block;width:100%;margin-top:6px!important}.setup-section:has(#players)>label{display:inline-block;margin-right:12px}.setup #players{display:inline-block;width:auto}.setup-section:has(#calibrate){border-top:1px solid var(--line);padding-top:14px}.setup-section:has(#calibrate) h2{margin-bottom:4px}.setup-section:has(#calibrate)>.small{margin-top:4px}#corner-list{margin:8px 0}#calibrate{margin-top:4px;width:auto}#calibration-state{display:inline;margin-left:8px}#precision{margin-top:10px}#corner-fields{grid-template-columns:1fr 1fr}.setup .privacy{display:none}main{padding:20px 16px}.title-row{align-items:flex-start;margin-bottom:8px}h1{font-size:22px}.title-row p{max-width:200px}.title-row button{padding:6px 10px;font-size:11px;min-height:32px}.analysis-grid{grid-template-columns:1fr}.stage{min-height:0;height:auto;aspect-ratio:var(--aspect,16/9);margin:0 8px}.empty svg{width:46px;height:56px;margin-bottom:10px}.empty h2{font-size:14px}.empty p{font-size:11px}.panel-head{padding:12px 14px;min-height:46px}.transport{padding:10px;gap:6px}.transport span{font-size:11px}.transport select{padding:4px;min-height:30px}.transport button{padding:4px 10px;min-height:30px}.tracking-bar{padding:0 12px 12px}.tracking-bar #engine{width:auto;margin-left:auto}.check{font-size:11px}.session-stats{padding:14px}.session-stats strong{font-size:20px}.session-stats span{font-size:11px}.heat-panel{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;padding:0 14px 14px}.heat-panel .panel-head{grid-column:1/-1;padding-left:0;padding-right:0}.heat-panel>select{grid-column:1;grid-row:2;margin:0;width:100%;font-size:11px}#heatmap{grid-column:2;grid-row:2/7;height:256px;max-height:none;margin:0;width:100%;object-fit:contain}.heat-key{grid-column:1;flex-direction:column;padding:16px 0 0;gap:8px}#heat-note{grid-column:1;padding:12px 10px 0 0}.heat-panel>.text-button{grid-column:1;margin:8px 0 0;white-space:normal}.table-wrap{padding:0 14px}table,tbody{display:block}thead{display:none}tr{display:grid;grid-template-columns:1fr 1fr;gap:7px 14px;padding:12px 0;border-top:1px solid var(--line)}td{border:0;padding:0!important;display:flex;align-items:center;justify-content:space-between;font-size:11px}td:first-child{grid-column:1/-1;display:block;margin-bottom:4px}td:not(:first-child)::before{content:attr(data-label);font-size:11px;color:var(--muted);margin-right:6px}.player-label{justify-content:flex-start}.player-name{width:130px}.player-state{margin-left:0;text-align:right}.player-label .player-state{margin-left:auto}.bottom-grid{grid-template-columns:1fr}.bottom-grid .panel-head{gap:6px}.bottom-grid .panel-head h2{font-size:13px}footer{flex-direction:column;gap:5px}.players-panel>p{padding-left:14px;padding-right:14px}.status{font-size:11px}.small{font-size:12px}button{min-height:38px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Rally notes keep their natural height rather than stretching an empty log. */
.bottom-grid{align-items:start}

/* Keep the working data a size above captions and playback metadata. */
button,select{font-size:13px}h2{font-size:16px}table,td,.player-name{font-size:13px}th,label{font-size:12px}.title-row p{font-size:13px}.setup .small{font-size:12px}.source-tabs button{font-size:13px}.bottom-grid{align-items:stretch}.rally-panel{display:flex;flex-direction:column}.rally-panel>ol{flex:1;min-height:32px}.bottom-grid .panel-head h2{font-size:14px}
@media(max-width:700px){.tracking-bar button{font-size:12px}td{font-size:12px}.player-name{font-size:13px}.bottom-grid{align-items:start}}

.faq{margin-top:22px;max-width:840px}.faq>h2{margin-bottom:14px}.faq details{padding:12px 0;border-top:1px solid var(--line)}.faq summary{font-size:13px;color:var(--text)}.faq p{font-size:12px;padding:12px 0 4px;line-height:1.7}