:root {
  color-scheme:dark;
  --ink:#0a0a0a;
  --ink-2:#141414;
  --line:#262626;
  --line-strong:#3a3a3a;
  --paper:#f5f5f2;
  --mute:#8a8a85;
  --faint:#55554f;
  --accent:#ff5a1f;
  --accent-ink:#0a0a0a;
  --overlay:color-mix(in srgb,var(--ink) 92%,transparent);
  --mono:ui-monospace,'SF Mono','JetBrains Mono',monospace;
  font-family:Pretendard,-apple-system,sans-serif;
  font-size:13px;
}

*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--ink);color:var(--paper)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:2px;background:var(--ink-2);color:var(--paper);padding:9px 12px;min-height:36px;transition:transform 160ms ease-out,opacity 160ms ease-out}button:hover{background:var(--ink-2)}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.active{color:var(--accent);background:transparent;border-color:var(--accent)}button.primary{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}button.primary{font-weight:600}input,select,textarea{width:100%;min-width:0;background:var(--ink-2);color:var(--paper);border:1px solid var(--line);border-radius:2px;padding:8px;min-height:36px}input[type=number]{appearance:textfield}input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;min-height:0;flex-shrink:0;margin:0}input[type=range]{accent-color:var(--accent);padding:0;border:0;background:transparent}textarea{resize:vertical;max-height:320px}select{white-space:normal;text-overflow:ellipsis}label{min-width:0}p{line-height:1.6;margin:8px 0}h1,h2{margin:0}button,span,p,label{overflow-wrap:anywhere}[hidden]{display:none!important}
.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:12px;background:var(--ink-2)}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:10px;height:10px;background:var(--accent);flex-shrink:0}.brand h1{font-size:19px;letter-spacing:-1px}.brand p{margin:0;color:var(--mute);font-size:11px}.version{font:11px var(--mono);color:var(--mute)}.project-actions{display:flex;gap:7px;flex-shrink:0}.workspace{display:flex;height:calc(100dvh - 68px);min-height:0}#settings{width:360px;flex:0 0 360px;overflow-y:auto;overflow-x:hidden;background:var(--ink);border-right:1px solid var(--line);scrollbar-width:thin}.panel-intro{padding:24px 20px 18px}.panel-intro h2{font-size:16px;letter-spacing:-.5px}.panel-intro p{color:var(--mute);font-size:12px;margin-bottom:0}details{border-top:1px solid var(--line)}summary{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;cursor:pointer;list-style:none;font-weight:600}summary::-webkit-details-marker{display:none}.chevron{color:var(--mute);font:16px var(--mono)}.chevron::before{content:"+"}details[open] .chevron::before{content:"−"}.section-body{padding:0 20px 20px;display:flex;flex-direction:column;gap:12px}.fields{display:grid;gap:10px}.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.full{width:100%;grid-column:1/-1}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field-label{color:var(--paper);display:flex;align-items:center;gap:5px;font-size:12px}.check{display:flex;align-items:center;gap:8px;line-height:1.6;min-height:28px}.check>span{min-width:0}.hint{font-size:11px;color:var(--mute);margin:0;line-height:1.7}.button-row{display:flex;gap:7px;flex-wrap:wrap}.button-row>*{flex:1;min-width:100px}.segmented{display:flex;gap:3px;background:var(--ink-2);padding:4px;border-radius:2px}.segmented button{flex:1;padding:8px 3px;border:0;background:transparent;font-size:12px}.segmented button.active{background:transparent;color:var(--accent);border-bottom:1px solid var(--accent)}.subheading{font-weight:600;display:flex;align-items:center;gap:6px;margin-top:5px}.metric-card{padding:12px 0;background:transparent;border:0;border-top:1px solid var(--accent);border-radius:0;display:flex;flex-direction:column;gap:5px;line-height:1.5}.metric-card>strong{color:var(--paper);font-size:17px;font-variant-numeric:tabular-nums}.metric-card span{font-size:11px;color:var(--mute)}.panel-pixels{display:flex;flex-direction:column}.comparison{border-top:1px solid var(--line-strong);padding-top:8px;margin-top:3px;display:flex;flex-direction:column;gap:4px}.comparison strong{font-size:12px}.warning{color:var(--mute)!important;font-size:11px;line-height:1.6;margin:4px 0}.range-row{display:flex;align-items:center;gap:10px}.range-row input{flex:1}.range-row output{min-width:35px;text-align:right;font-family:var(--mono);color:var(--paper)}.avatar-row{border-top:1px solid var(--line);padding-top:10px}.avatar-row .check{margin-bottom:7px}.camera-presets{display:grid;grid-template-columns:1fr 1fr;gap:6px}.mesh-list{max-height:260px;overflow-y:auto}.mesh-list label{padding:5px 0}.panel-footer{font-size:10px;color:var(--mute);line-height:1.8;padding:20px;border-top:1px solid var(--line)}.panel-table,.panel-table tbody,.panel-table tr,.panel-table td{display:block;width:100%}.panel-table{border-collapse:collapse}.panel-table tr{border:0;border-top:1px solid var(--line);border-radius:2px;margin-bottom:10px;padding:10px;background:var(--ink-2)}.panel-table th{display:flex;align-items:center;gap:7px;font-size:12px;margin-bottom:10px}.panel-table th button{margin-left:auto;padding:3px 8px;min-height:27px;font-size:11px}.dot{display:inline-block;width:8px;height:8px;border-radius:2px;flex-shrink:0}#pixelmap-preview{display:block;width:100%;height:auto;max-height:240px;object-fit:contain;background:var(--ink-2);border:1px solid var(--line-strong);border-radius:2px}.help{position:relative;display:inline-flex;justify-content:center;align-items:center;flex-shrink:0;width:17px;height:17px;min-height:0;padding:0;border-radius:2px;font-size:10px;color:var(--mute);vertical-align:middle}.help span{display:none;position:absolute;z-index:50;top:23px;right:-8px;width:215px;max-width:66vw;background:var(--ink-2);border:1px solid var(--line-strong);color:var(--paper);padding:10px;border-radius:2px;text-align:left;font-size:11px;font-weight:400;line-height:1.7;}.help:hover span,.help:focus span{display:block}.field:first-child .help span,.subheading .help span{left:-30px;right:auto}
#viewport{position:relative;flex:1;min-width:0;min-height:0;overflow:hidden;background:var(--ink-2)}#scene{display:block;width:100%;height:100%;touch-action:none}.view-top,.view-bottom{position:absolute;left:20px;right:20px;display:flex;align-items:center;justify-content:space-between;gap:15px;pointer-events:none}.view-top{top:18px;font-size:11px;color:var(--mute)}.view-label{color:var(--paper);background:var(--overlay);border:1px solid var(--line-strong);padding:7px 10px;border-radius:2px}.view-bottom{bottom:20px;font-size:11px;color:var(--mute);line-height:1.8}.view-bottom button{pointer-events:auto;background:var(--overlay)}#drop-hint{position:absolute;left:50%;bottom:64px;transform:translateX(-50%);max-width:calc(100% - 24px);z-index:3}#drop-hint button{display:block;border-radius:2px;border:1px solid var(--line-strong);background:var(--overlay);padding:7px 14px;min-height:34px;font-size:11px;white-space:nowrap}#drop-zone{position:absolute;inset:10px;border:2px dashed var(--accent);border-radius:2px;background:var(--overlay);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;text-align:center;pointer-events:none;z-index:20}#loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--overlay);z-index:10}#status{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(540px,calc(100vw - 28px));background:var(--ink-2);color:var(--paper);border:1px solid var(--line-strong);border-radius:2px;padding:12px 18px;z-index:100;opacity:0;pointer-events:none;transition:opacity 180ms ease-out;line-height:1.6}#status.visible{opacity:1}#frame-guide{position:absolute;border:1px solid var(--paper);left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;display:none}#frame-guide span{position:absolute;top:5px;left:7px;color:var(--paper);font-size:10px}.sheet-handle{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(min-width:1500px){#settings{width:380px;flex-basis:380px}}
@media(max-width:700px){.topbar{height:60px;padding:0 12px;gap:8px}.brand{gap:7px}.brand h1{font-size:17px}.brand-mark{font-size:23px}.brand p{font-size:10px}.version{display:none}.project-actions{gap:5px}.project-actions button{padding:7px 9px;font-size:11px;min-height:34px}.workspace{height:calc(100dvh - 60px);flex-direction:column}.workspace #viewport{order:0;flex:1}.workspace #settings{order:1;width:100%;flex:0 0 auto;max-height:57dvh;height:50px;border-right:0;border-top:1px solid var(--line);overscroll-behavior:contain}.workspace #settings.expanded{height:57dvh}.sheet-handle{display:flex;width:100%;position:sticky;top:0;z-index:40;min-height:49px;align-items:center;justify-content:center;gap:10px;border:0;border-radius:2px;background:var(--ink-2);font-weight:600}.sheet-handle span{display:block;width:28px;height:4px;background:var(--mute);border-radius:2px}.panel-intro{padding-top:18px}.view-top{left:12px;right:12px;top:12px;font-size:10px}.view-bottom{left:12px;right:12px;bottom:12px;font-size:10px}.view-bottom button{font-size:11px;min-height:32px;padding:6px 9px}#drop-hint{bottom:58px}#settings:not(.expanded) #settings-body,#settings:not(.expanded) .panel-footer{display:none}.help span{max-width:62vw}#status{bottom:66px}.section-body{padding-left:16px;padding-right:16px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* 뷰 도구와 이동 가능한 카메라 패널 */
summary{font-size:13px}.section-body{gap:12px;padding-bottom:20px}.subheading{font-size:12px}.field-label{font-size:12px}input:not([type=checkbox]):not([type=range]),select{height:36px}.metric-card>strong{font-size:21px;line-height:1.35}.comparison strong{font-size:18px;font-variant-numeric:tabular-nums}.panel-pixels small{font-size:10px;color:var(--mute)}
.view-top{z-index:4;align-items:flex-start}#view-controls{pointer-events:auto;padding:3px;border:1px solid var(--line-strong);background:var(--overlay)}#view-controls button{white-space:nowrap;padding:6px 12px;font-size:12px;min-height:32px}#scene-summary{padding-top:10px}#show-options{position:absolute;top:68px;left:20px;right:20px;display:flex;gap:12px;flex-wrap:wrap;z-index:4;font-size:11px;color:var(--mute);pointer-events:none}#show-options label{display:flex;align-items:center;gap:5px;background:var(--overlay);border-radius:2px;padding:4px 6px;pointer-events:auto}#show-options input{width:13px;height:13px}#axis-gizmo{position:absolute;left:12px;bottom:106px;width:90px;height:90px;pointer-events:none;z-index:5;border-radius:2px;background:var(--overlay);overflow:visible}
#camera-panel{position:absolute;z-index:6;max-width:calc(100% - 8px);padding:3px;border:1px solid var(--line-strong);border-radius:2px;background:var(--overlay);cursor:grab;touch-action:none;user-select:none}#camera-panel.dragging{cursor:grabbing}.camera-panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:3px 4px;font-size:11px;color:var(--paper)}.camera-panel-head button{padding:0;min-width:27px;min-height:26px;border:0;background:var(--ink-2);cursor:pointer}.camera-panel-body{display:flex;flex-direction:column;gap:3px;padding-top:3px}.camera-float-buttons{display:flex;gap:3px}.camera-float-buttons button{display:flex;gap:5px;align-items:center;padding:7px;min-height:36px;font-size:11px;white-space:nowrap}.camera-float-buttons kbd{font:600 10px system-ui;display:grid;place-items:center;width:17px;height:19px;border:1px solid currentColor;border-radius:2px;opacity:.75}.camera-icon{font-size:15px}.camera-avatar{display:flex;gap:3px;align-self:flex-end}.camera-avatar button{padding:3px 10px;font-size:10px;min-height:27px}.camera-avatar button span{font-size:9px;margin-left:2px}#camera-panel.collapsed{border-radius:2px}#camera-panel.collapsed .camera-panel-body{display:none}.camera-float-buttons button.key-pressed{transform:translateY(1px);outline:1px solid var(--paper);outline-offset:1px}
@media(max-width:1100px){.camera-float-buttons button{padding:7px 5px;gap:4px}.camera-name{display:none}#scene-summary{display:none}}
@media(max-width:700px){#view-controls button{font-size:11px;padding:5px 10px}#show-options{left:12px;right:12px;top:57px;gap:3px;font-size:10px}#show-options label{gap:3px;padding:3px 5px}#camera-panel{max-width:calc(100% - 8px)}.camera-float-buttons button{padding:6px 9px;gap:5px}.camera-name{display:none}.camera-avatar button{padding:3px 12px}#axis-gizmo{bottom:102px;width:68px;height:68px}#drop-hint{bottom:58px}.view-bottom>span{max-width:190px}.metric-card>strong{font-size:20px}}

/* FIX5: top tools flow vertically; the floating camera panel stays below this measured area. */
#view-tools{position:absolute;top:18px;left:20px;right:20px;z-index:4;display:flex;flex-direction:column;gap:8px;pointer-events:none}
#view-tools .view-top,#view-tools #show-options{position:static;inset:auto;min-width:0}
#view-tools #show-options{flex-shrink:0}
#view-help{display:flex;align-items:flex-start;align-self:center;gap:6px;max-width:100%;padding:4px 6px 4px 10px;border:1px solid var(--line-strong);border-radius:2px;background:var(--overlay);color:var(--mute);font-size:10px;line-height:1.6;pointer-events:auto}
#view-help-text{min-width:0;overflow-wrap:anywhere;text-align:center}#view-help-text b{color:var(--paper);font-weight:600}
#view-help-toggle{flex:0 0 24px;min-height:24px;padding:0;border:0;background:var(--ink-2);font-size:12px}
#view-help.collapsed{padding:3px;border-radius:2px}.view-bottom{justify-content:flex-end}
#camera-panel{overflow-y:auto;overscroll-behavior:contain}
@media(max-width:700px){#view-tools{top:12px;left:12px;right:12px;gap:6px}}

/* FIX7 lighting controls and seven camera presets */
.light-patterns{display:grid;grid-template-columns:1fr 1fr;gap:6px}.light-patterns button{font-size:12px;padding:8px 5px}.light-chips{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.light-chips button{padding:6px 2px;display:flex;align-items:center;justify-content:center;gap:5px;font-size:11px}.light-chips i{width:12px;height:12px;border-radius:2px;background:var(--chip);border:1px solid var(--line-strong)}.fixture-row{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:10px}input[type=color]{padding:3px;cursor:pointer}.camera-float-buttons{flex-wrap:wrap;max-width:650px}.camera-float-buttons button{flex:1 0 auto}@media(max-width:700px){.camera-float-buttons{max-width:310px}.camera-float-buttons button{flex:0 0 calc(25% - 3px);padding:6px;justify-content:center}.camera-float-buttons button:nth-child(n+6) .camera-name{display:inline;font-size:9px}.camera-float-buttons button:nth-child(n+6){flex-basis:calc(50% - 3px)}}

/* FIX8 artist list and numbered camera target */
.avatar-quick,.height-chips,.avatar-count,.avatar-controls{display:flex;align-items:center;gap:5px}.avatar-quick button{flex:1;background:transparent;border-color:var(--line);color:var(--paper)}.avatar-quick button[aria-pressed=true],.height-chips button[aria-pressed=true]{background:transparent;color:var(--accent);border-color:var(--accent)}.avatar-count>span{margin-right:auto}.avatar-count button{width:36px;padding:5px}.avatar-count output{min-width:30px;text-align:center;font-variant-numeric:tabular-nums}.avatar-controls{margin-bottom:8px;gap:4px;flex-wrap:wrap}.avatar-controls b{font-size:11px;min-width:25px}.avatar-controls button{padding:4px 6px;font-size:10px;min-height:30px}.avatar-controls .check{font-size:10px;margin:0 0 0 auto;gap:3px}.height-chips{gap:2px}.camera-avatar>span{font-size:11px;padding:0 5px}#camera-avatar-label{min-width:85px;text-align:center}

/* FIX9: restrained controls and content transport; existing layout dimensions are retained. */
.topbar,#settings,.sheet-handle{background:var(--ink)}
.brand h1,.panel-intro h2,summary,.subheading{font-weight:600}
summary{font-size:12px;letter-spacing:.04em}
.section-number{font:12px var(--mono);color:var(--mute);display:inline-block;width:32px}
.section-body{border:0}#settings-body>details:last-child{border-bottom:1px solid var(--line)}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled{cursor:default}fieldset:disabled{opacity:.45}
.camera-panel-head svg,.camera-avatar svg,#camera-collapse svg,#view-help-toggle svg,#sidebar-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
kbd{border:1px solid var(--line-strong);border-radius:2px;padding:1px 4px;font:11px var(--mono);color:var(--paper)}
input[type=number],output,.version,.comparison strong,.metric-card>strong,#pixelmap-size,.panel-pixels{font-family:var(--mono);font-variant-numeric:tabular-nums}
.metric-card>strong{font-size:28px;line-height:1.3;color:var(--paper)}
.metric-card span,.comparison strong{color:var(--mute);font-size:12px}
.comparison strong{color:var(--paper);font-size:28px}.panel-pixels small{color:var(--mute)}
.warning{color:var(--mute)!important;border-left:1px solid var(--line-strong);padding-left:8px}
input[type=checkbox]{appearance:none;-webkit-appearance:none;width:12px;height:12px;min-height:12px;padding:0;border:1px solid var(--line-strong);border-radius:0;background:var(--ink-2);display:inline-block;vertical-align:middle}
input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}
#show-options input{width:12px;height:12px}
.range-control{position:relative;display:flex;align-items:center;flex:1;min-width:0;height:24px;--progress:0%}
.range-control::before,.range-fill{position:absolute;top:calc(50% - .5px);height:1px;pointer-events:none}
.range-control::before{content:"";inset-inline:0;background:var(--line-strong)}
.range-fill{left:0;width:var(--progress);background:var(--accent)}
input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:24px;min-height:24px;margin:0;padding:0;background:transparent;position:relative;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:1px;background:transparent}
input[type=range]::-moz-range-track{height:1px;background:transparent}
input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:10px;height:10px;border:0;border-radius:0;background:var(--paper);margin-top:-4.5px}
input[type=range]::-moz-range-thumb{width:10px;height:10px;border:0;border-radius:0;background:var(--paper)}
input[type=range]:active::-webkit-slider-thumb{background:var(--accent)}
input[type=range]:active::-moz-range-thumb{background:var(--accent)}
input[type=range]:disabled{cursor:default}
.view-primary{display:flex;align-items:center;gap:8px;min-width:0;pointer-events:auto}
#sidebar-toggle{display:grid;place-items:center;padding:6px;min-width:32px;background:var(--overlay)}
.sidebar-collapsed #sidebar-toggle svg{transform:rotate(180deg)}
#camera-panel,#view-controls,#view-help,#drop-hint button,.view-bottom button,#show-options label,#loading,#drop-zone,#status,#axis-gizmo,.view-label{background:var(--overlay);border-radius:2px}
#camera-panel{border-color:var(--line-strong)}
.camera-panel-head>span{display:flex;align-items:center;gap:5px}
.camera-panel-head button,#view-help-toggle{display:grid;place-items:center}
.camera-float-buttons kbd{font:11px var(--mono);border-color:var(--line-strong);opacity:1}
.camera-float-buttons .camera-name{display:inline}
.camera-avatar{align-items:center}.camera-avatar button{display:grid;place-items:center}
#camera-panel.collapsed,#view-help.collapsed{border-radius:2px}
.camera-float-buttons button.key-pressed{outline:1px solid var(--paper);outline-offset:1px}
#frame-guide{border-color:var(--mute)}#frame-guide span{color:var(--mute);font-family:var(--mono)}
.help{border-radius:2px}.help span{background:var(--ink);border-color:var(--line-strong);color:var(--paper)}
.dot{border-radius:0;background:var(--mute)}
.light-chips i{border-radius:0;border-color:var(--line-strong)}
#playback-controls{border:0;border-top:1px solid var(--line);padding:12px 0 0;margin:0;min-width:0;display:flex;flex-direction:column;gap:10px}
#playback-controls legend{font-size:12px;font-weight:600;color:var(--mute);padding:0 8px 0 0}
#video-time{margin-left:auto;font:11px var(--mono);white-space:nowrap}
.transform-row{display:flex;align-items:center;gap:6px;min-width:0}
.transform-row input[type=number]{width:60px;flex:0 0 60px;padding:6px;text-align:right}
.transform-row button{font-size:10px;min-height:32px;padding:5px;flex-shrink:0}
.unit{color:var(--mute);font:11px var(--mono)}
@media(min-width:701px){.workspace.sidebar-collapsed #settings{display:none}}
@media(max-width:700px){
  #sidebar-toggle{display:none}.view-primary{max-width:100%}#view-tools{min-width:0}
  .camera-float-buttons button{min-width:0;gap:3px;font-size:10px;padding:6px 3px}
  .camera-float-buttons .camera-name{display:inline;font-size:10px}
  .camera-float-buttons button:nth-child(n+6) .camera-name{font-size:10px}
  .metric-card>strong{font-size:28px}.sheet-handle span{background:var(--faint)}
  .transform-row input[type=number]{width:56px;flex-basis:56px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}button:active:not(:disabled){transform:none}}

.metric-card>strong small,.comparison strong small{font-size:12px;font-weight:400;color:var(--mute)}

@media(hover:hover) and (pointer:fine){button:hover:not(:disabled){opacity:.85}button:not(.active):not(.primary):hover{border-color:var(--line-strong)}}

.camera-number{font-family:var(--mono);margin-right:4px}

/* FIX12: one top row; hints and view options only expand on request. */
#view-tools{top:8px;left:8px;right:8px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:start}
#view-tools .view-top{align-items:center;justify-content:flex-start;gap:6px;min-width:0;height:40px}
#view-controls{height:40px}#view-controls button{min-height:32px}
#scene-summary{display:none}
#view-options{position:relative;pointer-events:auto;border:0;flex-shrink:0}
#view-options summary{height:40px;min-height:40px;padding:7px 9px;border:1px solid var(--line-strong);border-radius:2px;background:var(--overlay);white-space:nowrap;font-size:11px}
#view-options summary:after{content:' +';color:var(--mute)}#view-options[open] summary:after{content:' −'}
#view-tools #show-options{position:absolute;top:44px;left:0;right:auto;width:154px;display:flex;flex-direction:column;gap:4px;padding:6px;background:var(--ink);border:1px solid var(--line-strong);pointer-events:auto}
#show-options label{background:var(--ink);min-height:26px}
#view-help{grid-column:1/-1;align-self:start;justify-self:stretch;align-items:center}
#view-help.collapsed{grid-column:2;grid-row:1;justify-self:end;height:40px;width:32px;padding:0;justify-content:center}
#view-help-manual{flex:0 0 24px;padding:0;min-width:24px;min-height:26px;border:0;background:var(--ink-2)}
#camera-panel{display:flex;align-items:center;gap:4px;min-height:40px;touch-action:pan-x;padding:3px 6px;max-width:calc(100% - 8px);overflow:hidden;pointer-events:auto}
#camera-panel.docked{position:static;flex:1 1 auto;min-width:0;max-width:400px;margin-left:auto;max-height:40px}
.camera-panel-head{order:2;gap:0;padding:0;flex:0 0 auto}
.camera-panel-head>span{display:none}
.camera-panel-head button{min-width:22px;min-height:28px}
.camera-panel-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:row;align-items:center;gap:6px;padding:0;overflow-x:auto;scrollbar-width:none}
.camera-panel-body::-webkit-scrollbar{display:none}
.camera-float-buttons{display:flex;flex-wrap:nowrap;gap:2px;max-width:none;flex-shrink:0}
.camera-float-buttons button,.camera-float-buttons button:nth-child(n+6){flex:0 0 28px;width:28px;min-width:28px;min-height:30px;padding:3px;justify-content:center}
.camera-float-buttons .camera-name,.camera-float-buttons button:nth-child(n+6) .camera-name{display:none}
.camera-float-buttons kbd{border:0;width:auto;height:auto;padding:0;font-size:12px}
.camera-avatar{flex:0 0 auto;gap:1px;align-self:center}
.camera-avatar>span{font-size:10px;padding:0 2px;white-space:nowrap}
#camera-avatar-label{min-width:24px;text-align:center}
.camera-avatar button{padding:2px;min-width:20px;min-height:28px}
#camera-panel.collapsed{flex:0 0 auto}
#camera-panel.collapsed .camera-panel-head>span{display:flex;font-size:10px;margin-right:4px}
#camera-panel.collapsed .camera-panel-head>span svg{display:none}
@media(max-width:700px){
  #view-controls button{padding:4px 6px;font-size:10px}#view-controls{padding:3px 1px}
  .view-primary{gap:0;flex-shrink:0}#view-options summary{padding:6px 4px;font-size:10px}
  #view-tools{gap:4px}#view-tools .view-top{gap:4px}
  #camera-panel{padding:3px;gap:2px}#view-help.collapsed{width:26px}
}

/* FIX19 manual: floating dialog, fixed TOC and an independently scrolling body. */
#manual-overlay,#manual-lightbox{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.45);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;transition:opacity 160ms ease-out}
#manual-overlay{z-index:200}
.manual-shell{width:min(1100px,92vw);height:min(820px,88vh);min-height:0;display:flex;flex-direction:column;background:var(--ink);border:1px solid var(--line-strong);border-radius:2px;box-shadow:none;overflow:hidden}
.manual-shell,#manual-lightbox>div{transform:translateY(8px);transition:transform 160ms ease-out}
#manual-overlay.is-open,#manual-lightbox.is-open{opacity:1}
#manual-overlay.is-open .manual-shell,#manual-lightbox.is-open>div{transform:translateY(0)}
.manual-header{flex-shrink:0;display:flex;align-items:center;gap:10px;min-height:64px;padding:12px 20px;border-bottom:1px solid var(--line)}
.manual-header h1{font-size:18px;font-weight:600;margin-right:auto}
.manual-header button{font-size:12px;white-space:nowrap}
.manual-layout{display:grid;grid-template-columns:238px minmax(0,1fr);flex:1;min-height:0}
.manual-toc{overflow-y:auto;padding:16px 10px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:3px}
.manual-toc button{text-align:left;border-color:transparent;background:transparent;flex-shrink:0;line-height:1.5}
.manual-toc button span,.manual-section h2>span{font-family:var(--mono);color:var(--accent);margin-right:7px;font-size:12px}
.manual-toc button[aria-current]{border-color:var(--accent);color:var(--accent)}
.manual-body{overflow-y:auto;overscroll-behavior:contain;padding:24px 32px 80px;position:relative;scrollbar-width:thin}
.manual-section{max-width:960px;margin:0 auto;padding:12px 0 40px;border-bottom:1px solid var(--line);scroll-margin-top:16px}
.manual-section+.manual-section{padding-top:36px}
.manual-section h2{font-size:24px;font-weight:600;line-height:1.5;margin-bottom:20px}
.manual-section h3{font-size:16px;margin:26px 0 10px;font-weight:600}
.manual-section p,.manual-section li,.manual-section dd{font-size:14px;line-height:1.85;word-break:keep-all;overflow-wrap:anywhere}
.manual-section p{margin:10px 0 16px}.manual-section ul,.manual-section ol{padding-left:24px}.manual-section li{margin:7px 0}
.manual-figure{margin:26px 0;max-width:960px}
.manual-picture{position:relative}.manual-image{display:block;width:100%;padding:0;border:1px solid var(--line-strong);background:var(--ink);cursor:zoom-in}
.manual-image img{display:block;width:100%;height:auto;max-width:960px}
.manual-pin{position:absolute;transform:translate(-50%,-50%);width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:var(--accent-ink);font:600 12px var(--mono);pointer-events:none}
.manual-figure figcaption{font-size:12px;color:var(--mute);line-height:1.7;padding-top:9px}
.manual-notes{list-style:none;counter-reset:manual-note;padding:0!important;margin:10px 0}
.manual-notes li{counter-increment:manual-note;font-size:12px;display:flex;align-items:baseline;gap:8px;line-height:1.7}
.manual-notes li:before{content:counter(manual-note);color:var(--accent);font-family:var(--mono);flex-shrink:0}
.manual-shortcuts{border-collapse:collapse;width:100%;margin-top:22px;text-align:left}
.manual-shortcuts th,.manual-shortcuts td{border-bottom:1px solid var(--line);padding:12px 8px;line-height:1.7;font-size:13px}
.manual-shortcuts th{font-weight:400;width:36%}.manual-shortcuts thead th{color:var(--mute)}
.manual-shortcuts kbd{white-space:normal}
.manual-terms dt{font-size:15px;color:var(--accent);margin-top:24px}.manual-terms dd{margin:8px 0 0}
#manual-lightbox{z-index:210;padding:8px}
#manual-lightbox>div{width:100%;height:100%;min-width:0;display:flex;flex-direction:column;gap:8px}
#manual-lightbox-close{align-self:flex-end;flex-shrink:0}
.manual-original-scroll{overflow:auto;flex:1;min-height:0;overscroll-behavior:contain}
.manual-original-scroll img{display:block;max-width:none;width:auto;height:auto;margin:auto}
@media(max-width:700px){
  #manual-overlay{align-items:flex-end}.manual-shell{width:100%;height:92vh;border-radius:2px 2px 0 0}.manual-header{padding:10px;gap:6px;flex-wrap:wrap}
  .manual-header h1{width:100%;font-size:17px}.manual-header button{font-size:11px;padding:6px 8px;min-height:32px}
  #manual-close{margin-left:auto}.manual-layout{display:flex;flex-direction:column}
  .manual-toc{flex-direction:row;overflow-x:auto;overflow-y:hidden;padding:6px;border-right:0;border-bottom:1px solid var(--line);flex-shrink:0}
  .manual-toc button{white-space:nowrap;padding:7px;font-size:12px}
  .manual-body{padding:12px 14px 48px;flex:1;min-height:0}.manual-section h2{font-size:21px}
  .manual-section p,.manual-section li,.manual-section dd{font-size:13px}.manual-pin{width:18px;height:18px;font-size:10px}
  .manual-shortcuts th,.manual-shortcuts td{padding:10px 4px;font-size:12px}
}

@media(max-width:360px){.topbar{padding:0 8px}.brand p{display:none}.project-actions button{font-size:10px;padding:6px}.project-actions{gap:4px}}

/* FIX13: pictorial hints, one 34px row; the viewport observer trims by priority. */
#view-help{height:34px;min-width:0;max-width:100%;padding:2px 8px;gap:16px;border:1px solid var(--line);border-radius:2px;background:color-mix(in srgb,var(--ink) 92%,transparent);box-shadow:none;overflow:hidden}
#view-help-text{display:flex;align-items:center;flex:1 1 auto;min-width:0;gap:16px;white-space:nowrap;overflow-wrap:normal;text-align:left}
#view-help .hint-item{display:inline-flex;align-items:center;flex:0 0 auto;gap:4px;padding:0;border:0;background:transparent;min-height:0;color:var(--mute);font-size:12px;font-weight:400;line-height:16px;white-space:nowrap}
#view-help .hint-icon{display:block;flex-shrink:0;width:18px;height:18px;fill:none;stroke:var(--paper);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
#view-help .hint-icon *{vector-effect:non-scaling-stroke}
#view-help .hint-mouse{width:27px}
#view-help .hint-accent{fill:var(--accent);stroke:none}
#view-help kbd{display:inline-grid;place-items:center;flex-shrink:0;min-width:18px;height:18px;padding:0 3px;border:1px solid var(--paper);border-radius:2px;color:var(--paper);font:11px/14px var(--mono)}
#view-help .hint-keys{display:inline-flex;gap:2px}
#view-help .hint-wasd{display:grid;grid-template-columns:repeat(3,13px);grid-template-rows:repeat(2,13px);gap:1px}
#view-help .hint-wasd kbd{min-width:0;width:13px;height:13px;padding:0;line-height:11px}
#view-help .hint-wasd kbd:first-child{grid-column:2}
#view-help .hint-wasd kbd:nth-child(2){grid-column:1;grid-row:2}
#view-help .hint-wasd kbd:nth-child(3){grid-column:2;grid-row:2}
#view-help .hint-wasd kbd:nth-child(4){grid-column:3;grid-row:2}
#view-help #view-help-toggle,#view-help #view-help-manual,#view-help #view-help-more{display:grid;place-items:center;flex:0 0 24px;min-width:24px;width:24px;height:24px;min-height:0;padding:0;border:0;background:transparent;color:var(--mute);font:12px/1 var(--mono)}
#view-help-toggle svg{width:16px;height:16px}
#view-help:not(.collapsed) #view-help-manual{display:none}
#view-help.collapsed{width:28px;height:28px;padding:1px;gap:0}
#view-help .hint-touch{display:none}
@media(max-width:700px){
  #view-help .hint-desktop{display:none}
  #view-help .hint-touch{display:inline-flex}
  #view-help-text>span{display:inline-flex;text-align:left}
}

/* FIX14: shared seconds/BPM timing and sequential wave controls. */
.light-bpm,.light-wave{display:flex;flex-direction:column;gap:10px;min-width:0}
.light-bpm>[data-action="light-tap"]{align-self:flex-start}
.light-timing-status{display:flex;align-items:center;gap:7px}
.light-beat-dot{display:inline-block;flex:0 0 7px;width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.18}
.light-beat-dot.active{opacity:1}

/* FIX22: ambient controls and continuous time in the existing view-options popover. */
.ambient-controls{display:flex;flex-direction:column;gap:10px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:4px}
#view-tools #show-options{width:240px;max-width:calc(100vw - 36px);left:auto;right:0}
.time-controls{display:flex;flex-direction:column;gap:7px;padding:4px 3px 10px;border-bottom:1px solid var(--line);margin-bottom:4px;min-width:0}
#show-options .time-controls input[type=range]{width:100%;height:24px;min-height:24px}
.time-controls>.range-control{flex:none}
#show-options .time-heading{display:flex;justify-content:space-between;gap:10px;padding:0}
.time-heading output{margin-left:auto;font:12px var(--mono);color:var(--paper)}
.time-endpoints{display:flex;justify-content:space-between;color:var(--mute);font:10px var(--mono)}
#show-options .time-controls label{font-size:11px;padding:0;min-height:20px}
.time-controls select{width:100%;min-width:0}.time-controls button[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}

/* FIX16: shared stage sliders with a synced numeric value. */
.stage-dimension-row{display:flex;align-items:center;gap:8px;min-width:0}
.stage-dimension-row input[type=number]{width:68px;flex:0 0 68px;text-align:right;padding:6px}
.audience-settings{display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line);padding-top:14px;margin-top:4px}
.audience-settings>.subheading{margin:0;font-size:12px}
.audience-tones{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px}
.audience-tones button{display:block;padding:3px;min-width:0;aspect-ratio:1.6}
.audience-tones button i{display:block;width:100%;height:100%;background:var(--chip);border-radius:1px}
.audience-tones button[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.tone-width-labels{display:flex;justify-content:space-between;margin-top:3px}

/* FIX18: history icons share the existing view toolbar. */
.history-actions{display:flex;gap:2px;pointer-events:auto;background:var(--overlay);border:1px solid var(--line-strong);padding:3px}
.history-actions button{display:grid;place-items:center;width:32px;min-height:32px;padding:5px}
.history-actions svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.history-actions button:disabled{opacity:.3;cursor:default}
@media(max-width:700px){.topbar .brand p{display:none}.project-actions{flex-wrap:wrap;justify-content:flex-end}.project-actions button{padding:4px 6px;min-height:25px}.history-actions button{width:27px;min-height:28px}}

/* FIX23: file recognition stays separate from the live panel layout until Apply. */
.diagram-import{border:1px dashed var(--line-strong);padding:12px;display:flex;flex-direction:column;gap:10px;min-width:0}
.diagram-import.drag-over{border-color:var(--accent);background:var(--ink-2)}
.diagram-import h3{margin:0;font-size:12px}.diagram-import fieldset{margin:0;padding:10px 0 0;border:0;border-top:1px solid var(--line);min-width:0}.diagram-import legend{padding:0 5px 0 0;color:var(--mute);font-size:11px}
#diagram-results{min-width:0}.diagram-summary{font:12px/1.8 var(--mono);color:var(--paper)}
.diagram-table-scroll{overflow:auto;max-height:340px;border:1px solid var(--line);margin:10px 0;overscroll-behavior:contain}
.diagram-preview{border-collapse:collapse;min-width:560px;width:100%;font-size:11px;line-height:1.6}.diagram-preview caption{text-align:left;padding:8px;font-weight:600}.diagram-preview th,.diagram-preview td{text-align:left;vertical-align:top;padding:8px;border-top:1px solid var(--line);overflow-wrap:anywhere}.diagram-preview thead th{position:sticky;top:0;background:var(--ink-2)}.diagram-preview td{font-variant-numeric:tabular-nums}
.diagram-warnings{padding-left:17px;font-size:11px;line-height:1.7;color:var(--mute);max-height:180px;overflow:auto}.diagram-error{color:var(--accent);font-size:12px;line-height:1.7}
/* FIX24: native import dialog and independent model settings. */
#model-import{width:min(680px,calc(100vw - 24px));max-height:88vh;margin:auto;padding:24px;border:1px solid var(--line-strong);border-radius:4px;background:var(--ink);color:var(--paper);overflow:auto}
#model-import::backdrop{background:#000b}
#model-import form,.model-body{display:flex;flex-direction:column;gap:12px;min-width:0}
#model-import h2{font-size:20px}#model-import h3{font-size:14px;margin:12px 0 8px}
#model-import-name,.model-item summary{overflow-wrap:anywhere}
#model-import fieldset{border:1px solid var(--line);padding:12px}#model-import legend{font-size:12px;padding:0 5px}
#model-import-led>.field{margin-bottom:12px}#model-import .mesh-list{max-height:32vh;margin-top:8px}
#model-import button:disabled{opacity:.4;cursor:default}
.model-list{display:flex;flex-direction:column;gap:10px}.model-item{border:1px solid var(--line)}
.model-item summary{padding:12px;font-size:12px}.model-body{padding:0 12px 14px}.model-body .fields.two{gap:8px}
.model-mesh{border-top:1px solid var(--line);padding:6px 0}.model-mesh .check{align-items:flex-start}.model-mesh span{overflow-wrap:anywhere}
.model-warning{color:#ffbe76;font-size:11px;line-height:1.6;margin:4px 0}
@media(max-width:700px){#model-import{padding:16px}#model-import .fields.two{grid-template-columns:1fr}}

.time-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.time-presets button{min-height:26px;padding:0 4px;font-size:11px}.time-presets button[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}