:root{--bg: #1b1d21;--panel-bg: rgba(26, 28, 32, .86);--panel-border: rgba(255, 255, 255, .08);--text: #e8e8ea;--muted: #9aa0a6;--accent: #6fb7ff;--control-bg: rgba(255, 255, 255, .06)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font:13px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app,#viewport{position:fixed;inset:0}#viewport canvas{display:block}.overlay{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:20}.overlay__msg{color:var(--muted);max-width:30rem;padding:1rem 1.5rem;text-align:center}.overlay--error .overlay__msg{color:#ff8f8f}.panel{position:fixed;top:12px;right:12px;width:268px;max-height:calc(100vh - 24px);display:flex;flex-direction:column;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:10px;backdrop-filter:blur(8px);box-shadow:0 8px 28px #0006;z-index:10;user-select:none}.panel__header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--panel-border)}.panel__title{font-weight:600}.panel__collapse{width:24px;height:24px;padding:0;line-height:1}.panel__body{overflow-y:auto;padding:4px 12px 12px}.section{padding:10px 0;border-bottom:1px solid var(--panel-border)}.section:last-child{border-bottom:none}.section h3{margin:0 0 8px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}button{background:var(--control-bg);color:var(--text);border:1px solid var(--panel-border);border-radius:6px;padding:6px 10px;cursor:pointer;font:inherit}button:hover{background:#ffffff1f}button:active{background:#ffffff2e}select{width:100%;background:var(--control-bg);color:var(--text);border:1px solid var(--panel-border);border-radius:6px;padding:6px 8px;font:inherit}input[type=range]{width:100%;accent-color:var(--accent)}input[type=color]{width:32px;height:22px;padding:0;border:1px solid var(--panel-border);border-radius:4px;background:none}.row{display:flex;gap:6px;margin:8px 0}.row button{flex:1}.scrubber{margin:6px 0 2px}.frame-label{display:block;color:var(--muted);font-variant-numeric:tabular-nums}.stage{display:flex;flex-direction:column;min-height:30px;margin-bottom:4px}.stage__name{font-weight:600;color:var(--accent)}.stage__desc{color:var(--muted);font-size:12px}.label-row,.compact{display:flex;align-items:center;gap:8px;margin:7px 0}.label-row>span,.compact>span{flex:0 0 78px;color:var(--muted)}.label-row>select,.label-row>input{flex:1}.range-wrap{display:flex;align-items:center;gap:8px;flex:1}.readout{flex:0 0 34px;text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}.checkbox{display:flex;align-items:center;gap:8px;margin:7px 0;cursor:pointer}.checkbox input{accent-color:var(--accent)}.btn-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.btn-grid button{font-size:12px}.light{padding:8px;margin:8px 0;border:1px solid var(--panel-border);border-radius:8px;background:#ffffff05}.light__head{margin-bottom:4px}.light .compact>span{flex:0 0 64px;font-size:12px}