:root{--bg: #f9f7ee;--panel: #f4f1e4;--panel-2: #ecead9;--line: #d1d1e1;--text: #484ab3;--muted: #7779bf;--accent: #484ab3;--accent-2: #3a3c99;--on-accent: #f9f7ee;--warn: #b98613;--danger: #c0493a;--radius: 10px;font-family:ui-monospace,SF Mono,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);overflow:hidden}#app{display:grid;grid-template-columns:340px 1fr;height:100vh}#sidebar{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}#sidebar-head{padding:16px 18px 12px;border-bottom:1px solid var(--line)}#sidebar-head h1{font-size:15px;font-weight:600;margin:0;letter-spacing:.2px}#preset-line{margin:6px 0 0;font-size:12px;color:var(--muted)}#preset-line strong{color:var(--accent-2);font-weight:600}#project-bar{margin-top:10px;display:flex;flex-direction:column;gap:6px}.proj-row{display:flex;gap:6px}.proj-select{flex:1;background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:7px;padding:6px 8px;font-size:12px;font-family:inherit}.proj-btn{background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:7px;padding:6px 9px;font-size:11.5px;font-family:inherit;cursor:pointer}.proj-btn:hover:not(:disabled){background:var(--line)}.proj-btn:disabled{opacity:.4;cursor:default}.proj-btn.ok{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.proj-saveform{display:flex;gap:6px}.proj-saveform[hidden]{display:none}.proj-saveform input{flex:1;background:var(--panel-2);border:1px solid var(--accent);color:var(--text);border-radius:7px;padding:6px 8px;font-size:12px;font-family:inherit}.proj-link{flex:1;background:transparent;border:1px dashed var(--line);color:var(--muted);border-radius:7px;padding:6px 8px;font-size:11.5px;font-family:inherit;cursor:pointer}.proj-link:hover{color:var(--text);border-color:var(--accent)}#panel{overflow-y:auto;padding:8px 12px 20px;flex:1;min-height:0}#export-bar{padding:12px;border-top:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;gap:8px}.export-btn{width:100%;background:var(--accent);color:var(--on-accent);border:0;border-radius:9px;padding:11px 12px;font-size:13px;font-weight:600;cursor:pointer;transition:background .12s,transform .05s}.export-btn:hover{background:var(--accent-2)}.export-btn:active{transform:translateY(1px)}.export-btn.done{background:var(--accent-2)}.export-row{display:flex;gap:8px}.export-btn.alt{background:var(--panel-2);color:var(--text);border:1px solid var(--line);font-size:12px;padding:9px 8px}.export-btn.alt:hover{background:var(--line)}.export-btn.alt:disabled{opacity:.5;cursor:default}.group{margin:10px 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.group>summary{list-style:none;cursor:pointer;padding:10px 12px;background:var(--panel-2);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}.group>summary::-webkit-details-marker{display:none}.group>summary:after{content:"▸";transition:transform .15s}.group[open]>summary:after{transform:rotate(90deg)}.group-body{padding:6px 12px 12px}.control{margin:12px 0}.control-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px}.control-label{font-size:12.5px;color:var(--text)}.control-unit{font-size:11px;color:var(--muted);margin-left:3px}.control-row{display:flex;align-items:center;gap:8px}.control input[type=range]{flex:1;accent-color:var(--accent);height:4px}.control input[type=number]{width:64px;background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:4px 6px;font-size:12px;text-align:right}.control input[type=number].out-of-range{border-color:var(--warn)}.control select{width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:6px 8px;font-size:12.5px}.toggle{display:flex;align-items:center;justify-content:space-between}.toggle input{width:38px;height:22px;accent-color:var(--accent)}.derived{display:flex;justify-content:space-between;font-size:12.5px;padding:7px 0;color:var(--muted);border-top:1px dashed var(--line)}.derived strong{color:var(--accent-2);font-weight:600}.expert-row{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;margin:6px 0 2px;background:var(--panel-2);border-radius:var(--radius);font-size:12.5px}#stage{position:relative;min-width:0}#viewport{position:absolute;inset:0}#viewport canvas{display:block}#overlay-top{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none}#controls-left{pointer-events:auto;display:flex;gap:8px}.segmented{display:flex;gap:6px;background:#f9f7eed1;padding:5px;border-radius:10px;border:1px solid var(--line);backdrop-filter:blur(6px)}.segmented button{background:transparent;border:0;color:var(--muted);font-size:12px;padding:6px 12px;border-radius:7px;cursor:pointer}.segmented button.active{background:var(--accent);color:var(--on-accent);font-weight:600}#modes button.active{background:var(--accent-2);color:var(--on-accent)}#readout{text-align:right;font-size:12px;color:var(--muted);background:#f9f7eed1;padding:8px 12px;border-radius:10px;border:1px solid var(--line);backdrop-filter:blur(6px);line-height:1.6}#readout b{color:var(--text);font-weight:600}#warnings{position:absolute;bottom:14px;left:14px;right:14px;display:flex;flex-direction:column;gap:6px;pointer-events:none}.warn-item{pointer-events:auto;font-size:12.5px;padding:8px 12px;border-radius:8px;background:#b9861324;border:1px solid rgba(185,134,19,.5);color:#7a5a0e}.warn-item.danger{background:#c0493a1f;border-color:#c0493a80;color:#93321f}