:root{--bg: #fafafa;--panel-bg: #ffffff;--border: #e0e0e0;--text: #1a1a1a;--muted: #666;--accent: #1f77b4}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:1rem;padding:.6rem 1rem;border-bottom:1px solid var(--border);background:var(--panel-bg)}.topbar h1{margin:0;font-size:1.1rem;font-weight:600}.badge{font-size:.85rem;background:var(--accent);color:#fff;padding:.15rem .6rem;border-radius:.7rem}.topbar-spacer{flex:1}.topbar-btn{font-size:.82rem;padding:.25rem .75rem;border:1px solid var(--border);background:#fff;color:var(--text);border-radius:3px;cursor:pointer}.topbar-btn:hover:not(:disabled){background:#f3f3f3}.topbar-btn:disabled{color:var(--muted);cursor:default}.save-btn.dirty{background:var(--accent);color:#fff;border-color:var(--accent)}.save-btn.dirty:hover{filter:brightness(1.08)}.reset-btn{color:#c00;border-color:#f3c2c2}.reset-btn:hover{background:#fee}.layout{flex:1;display:grid;grid-template-columns:1fr 320px;align-items:start;min-height:0}.plots{position:sticky;top:0;height:calc(100vh - 44px);display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));grid-auto-rows:minmax(320px,1fr);gap:.5rem;padding:.5rem;min-height:0;overflow:auto}.panel-frame{position:relative;display:flex;min-height:0}.panel-frame>.panel{flex:1}.panel-close{position:absolute;top:.25rem;right:.3rem;z-index:2;width:1.4rem;height:1.4rem;border:none;background:#ffffffb3;color:var(--muted);border-radius:3px;cursor:pointer;font-size:.95rem;line-height:1;padding:0}.panel-close:hover{background:#fee;color:#c00}.empty{grid-column:1 / -1;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.9rem;padding:2rem}.panel{background:var(--panel-bg);border:1px solid var(--border);border-radius:6px;padding:.4rem .6rem;display:flex;flex-direction:column;min-height:0}.panel h2{margin:0 0 .3rem;font-size:.9rem;font-weight:500;color:var(--muted)}.panel-sub{font-size:.78rem;font-weight:400;color:var(--muted)}.paste-box{width:100%;max-width:100%;box-sizing:border-box;font-family:ui-monospace,monospace;font-size:.72rem;padding:.3rem;border:1px solid var(--border);border-radius:3px;resize:vertical;white-space:pre;overflow-x:auto}.paste-row{display:flex;align-items:center;gap:.5rem;margin-top:.3rem}.paste-row button{font-size:.78rem;padding:.18rem .7rem;background:var(--accent);color:#fff;border:none;border-radius:3px;cursor:pointer}.paste-row button:hover{filter:brightness(1.08)}.paste-msg{font-size:.72rem;color:var(--muted)}.obs-list{display:flex;flex-direction:column;gap:.2rem;margin-bottom:.5rem}.obs-row{display:flex;align-items:center;gap:.35rem;padding:.18rem .3rem;background:#f7f7f7;border:1px solid var(--border);border-radius:3px;font-size:.8rem}.obs-row.dragging{opacity:.4}.drag-handle{color:#999;font-size:.85rem;-webkit-user-select:none;user-select:none;letter-spacing:-2px;cursor:grab;padding:0 .1rem}.drag-handle:active{cursor:grabbing}.obs-badge{font-size:.65rem;font-weight:700;letter-spacing:.03em;color:#fff;border-radius:3px;padding:.05rem .3rem;min-width:1.4rem;text-align:center}.obs-badge-spectrum{background:#1f77b4}.obs-badge-lightcurve{background:#2ca02c}.obs-value-input{flex:1;min-width:0;font-family:ui-monospace,monospace;font-size:.78rem;padding:.14rem .3rem;border:1px solid var(--border);background:#fff;border-radius:2px}.obs-value-input:focus{border-color:var(--accent);outline:none}.obs-unit{color:var(--muted);font-size:.7rem}.obs-remove{width:1.3rem;height:1.3rem;border:none;background:transparent;color:var(--muted);border-radius:2px;cursor:pointer;font-size:.9rem;line-height:1;padding:0}.obs-remove:hover{background:#fee;color:#c00}.obs-row-block{display:flex;flex-direction:column;gap:.15rem}.obs-row-block.dragging>.obs-row{opacity:.4}.axes-row{font-size:.72rem}.axes-row>summary{cursor:pointer;color:var(--muted);padding:0 .3rem 0 1.7rem;-webkit-user-select:none;user-select:none}.axes-grid{display:grid;grid-template-columns:auto 1fr auto 1fr;align-items:center;gap:.15rem .25rem;padding:.2rem .3rem .2rem 1.7rem}.axes-label{font-family:ui-monospace,monospace;color:var(--muted)}.axes-sep{color:var(--muted)}.axes-input{width:100%;min-width:0;padding:.1rem .25rem;font-family:ui-monospace,monospace;font-size:.72rem;border:1px solid var(--border);border-radius:2px;background:#fff}.axes-input:focus{outline:none;border-color:var(--accent)}.add-stanza{display:flex;flex-direction:column;gap:.2rem;margin-top:.5rem}.add-label{font-size:.72rem;color:var(--muted)}.add-input{padding:.22rem .35rem;font-size:.8rem;font-family:ui-monospace,monospace;border:1px solid var(--border);border-radius:3px}.add-btn{padding:.22rem .6rem;font-size:.76rem;border:1px solid var(--accent);background:#fff;color:var(--accent);border-radius:3px;cursor:pointer}.add-btn:hover{background:var(--accent);color:#fff}.paramset{border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:4px;margin-bottom:.5rem;background:#fff;min-width:0;max-width:100%;overflow:hidden}.paramset-head{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem;padding:.3rem .4rem;background:#fafafa;border-bottom:1px solid var(--border);border-radius:3px 3px 0 0}.paramset-head>*{min-width:0}.paramset-toggle{width:1.3rem;height:1.3rem;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;padding:0;line-height:1}.paramset-color{width:1.3rem;height:1.3rem;border:1px solid var(--border);border-radius:3px;padding:0;cursor:pointer}.paramset-name{flex:1 1 6rem;min-width:4rem;font-size:.84rem;font-weight:500;padding:.15rem .3rem;border:1px solid transparent;background:transparent;border-radius:2px}.paramset-name:hover{background:#fff;border-color:var(--border)}.paramset-name:focus{background:#fff;border-color:var(--accent);outline:none}.paramset-plt{font-size:.7rem;color:var(--muted);font-family:ui-monospace,monospace}.paramset-remove{width:1.3rem;height:1.3rem;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:.9rem;padding:0;line-height:1;border-radius:2px}.paramset-remove:hover{background:#fee;color:#c00}.paramset-dup{width:1.3rem;height:1.3rem;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;padding:0;line-height:1;border-radius:2px}.paramset-dup:hover{background:#eef;color:var(--accent)}.paramset-view-toggle-btn{border:1px solid var(--border);background:#fff;color:var(--muted);font-size:.72rem;padding:.18rem .6rem;cursor:pointer;border-radius:3px;margin-left:.2rem}.paramset-view-toggle-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.paste-box.has-errors{border-color:#c00;background:#fff5f5}.paste-errors,.paste-warns{margin:.25rem 0 0;padding-left:1.1rem;font-size:.74rem;line-height:1.25}.paste-errors{color:#c00}.paste-warns{color:#b25e00}.paste-errors code,.paste-warns code{font-family:ui-monospace,monospace;font-size:.72rem}.paste-row button:disabled{opacity:.5;cursor:not-allowed}.paramset-body{padding:.4rem .5rem .5rem;display:flex;flex-direction:column;gap:.4rem}.paramset-body details>summary{cursor:pointer;font-size:.78rem;font-weight:600;color:var(--muted);padding:.18rem 0;-webkit-user-select:none;user-select:none}.paramset-body details[open]>summary{margin-bottom:.25rem}.paramset-add{width:100%;padding:.3rem;font-size:.8rem;margin-top:.2rem}.panel>div:last-child{flex:1;min-height:0}.controls{border-left:1px solid var(--border);background:var(--panel-bg);padding:.6rem .8rem;min-width:0}.controls-inner{display:flex;flex-direction:column;gap:.6rem;min-width:0}.controls-inner>fieldset{min-width:0}fieldset{border:1px solid var(--border);border-radius:4px;padding:.5rem .7rem;margin:0}legend{font-size:.8rem;font-weight:600;color:var(--muted);padding:0 .3rem}.slider-row{display:flex;flex-direction:column;margin-bottom:.45rem;min-width:0}.slider-row:last-child{margin-bottom:0}.slider-label{display:flex;align-items:center;gap:.4rem;font-size:.82rem;margin-bottom:.15rem}.slider-label>span:first-child{min-width:5.5rem;font-family:ui-monospace,monospace}.slider-number{width:4.2rem;font-size:.78rem;padding:.1rem .25rem;border:1px solid var(--border);border-radius:3px}.slider-number.wide{width:6.2rem;font-family:ui-monospace,monospace}.slider-unit{color:var(--muted);font-size:.72rem}.slider-row input[type=range]{width:100%}.radio-row{display:flex;gap:.7rem;font-size:.82rem;margin-bottom:.4rem}.select-row{display:flex;flex-direction:column;gap:.2rem;font-size:.82rem;margin-bottom:.4rem}.select-row select{font-size:.78rem;padding:.18rem .25rem}.check-row{display:flex;align-items:center;gap:.4rem;font-size:.82rem}@media (max-width: 680px){.layout{grid-template-columns:1fr;grid-template-rows:1fr auto}.controls{border-left:none;border-top:1px solid var(--border)}}