:root{color-scheme:dark;--bg: #1a1c20;--panel: #24272e;--panel-alt: #2c2f37;--border: #383c45;--text: #e6e8eb;--text-dim: #9a9ea7;--accent: #5b8def;--accent-dim: #3a5a99;--danger: #e0555a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text)}.app{display:grid;grid-template-columns:320px 1fr;height:100vh;height:100dvh;width:100vw;overflow:hidden}.panel-toggle{display:none}.sidebar{background:var(--panel);border-right:1px solid var(--border);padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:18px}.viewport{position:relative}.section{display:flex;flex-direction:column;gap:8px}.section h3{margin:0 0 4px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.row{display:flex;align-items:center;gap:8px}.row label{flex:1;font-size:13px;color:var(--text-dim)}input[type=number],input.number-input,select{background:var(--panel-alt);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:6px 8px;font-size:13px;width:100px}select{width:100%}button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 12px;font-size:13px;cursor:pointer;font-weight:500}button:hover{filter:brightness(1.08)}button:disabled{background:var(--panel-alt);color:var(--text-dim);cursor:not-allowed}button.secondary{background:var(--panel-alt);border:1px solid var(--border);color:var(--text)}.piece-list{display:flex;flex-direction:column;gap:4px;max-height:260px;overflow-y:auto}.piece-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;background:var(--panel-alt);font-size:12px}.piece-item .swatch{width:10px;height:10px;border-radius:2px;flex-shrink:0}.piece-item .name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.piece-number{font-weight:600}.piece-grid{margin-left:8px;color:var(--text-dim);font-variant-numeric:tabular-nums}.toast{position:fixed;top:14px;left:50%;transform:translate(-50%);z-index:30;min-width:260px;max-width:min(440px,calc(100vw - 24px));background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:10px 14px;box-shadow:0 6px 24px #00000080;font-size:13px;animation:toast-in .18s ease-out}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.toast-main{display:flex;align-items:center;gap:10px}.toast-message{flex:1;white-space:pre-wrap}.toast-icon{flex-shrink:0;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.toast-success{border-color:#3d6b4f}.toast-success .toast-icon{background:#2e5c40;color:#9fe0b5}.toast-error{border-color:#7a3a3e}.toast-error .toast-icon{background:#6b2e32;color:#f0a9ac}.toast-dismiss{background:none;border:none;color:var(--text-dim);padding:2px 6px;font-size:12px;cursor:pointer;flex-shrink:0}.toast-dismiss:hover{color:var(--text);filter:none}.spinner{flex-shrink:0;width:16px;height:16px;border-radius:50%;border:2px solid var(--panel-alt);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-progress{display:flex;align-items:center;gap:10px;margin-top:8px}.toast-progress-track{flex:1;height:6px;border-radius:3px;background:var(--panel-alt);overflow:hidden}.toast-progress-fill{height:100%;background:var(--accent);transition:width .1s linear}.toast-progress-label{font-size:11px;color:var(--text-dim);white-space:nowrap}.hint.warning,.loose-flag{color:#e0a13a}.hint{font-size:11px;color:var(--text-dim);line-height:1.4}.dropzone{border:1px dashed var(--border);border-radius:8px;padding:24px 12px;text-align:center;font-size:13px;color:var(--text-dim);cursor:pointer}.dropzone:hover{border-color:var(--accent);color:var(--text)}input.planes-input{background:var(--panel-alt);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:6px 8px;font-size:13px;width:160px}.plan-summary{border:1px solid var(--border);background:var(--panel-alt);border-radius:6px;padding:8px 10px;font-size:12px;color:var(--text);font-variant-numeric:tabular-nums;display:flex;justify-content:space-between;gap:10px;align-items:center}.plan-summary span{color:var(--text-dim);white-space:nowrap}.plan-warning{border:1px solid #7a6035;background:#3a3025;color:#f0c36a;border-radius:6px;padding:8px 10px;font-size:12px;line-height:1.35}.axis-plan{display:flex;flex-direction:column;gap:5px;padding:4px 0;border-top:1px solid var(--border)}.axis-plan:first-of-type{border-top:none}.mini-button{padding:6px 8px;min-width:48px}.advanced-planes{border-top:1px solid var(--border);padding-top:8px}.advanced-planes summary{color:var(--text-dim);cursor:pointer;font-size:12px;font-weight:600}.cut-count{color:var(--text-dim);font-size:10px;white-space:nowrap;min-width:42px}.advanced-planes[open]{display:flex;flex-direction:column;gap:8px}.radio-pair{display:flex;gap:14px}.radio-option{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--text);cursor:pointer}.radio-option input{accent-color:var(--accent);margin:0}.checkbox-row{font-size:13px;color:var(--text-dim);gap:8px;cursor:pointer}.checkbox-row input{accent-color:var(--accent)}.button-trio{display:flex;gap:6px}.button-trio button{padding:6px 12px}@media (max-width: 820px){.app{display:block}.viewport{width:100%;height:100%}.sidebar{position:fixed;left:0;right:0;bottom:0;max-height:72vh;max-height:72dvh;border-right:none;border-top:1px solid var(--border);border-radius:14px 14px 0 0;box-shadow:0 -8px 24px #00000073;transform:translateY(calc(100% + 24px));transition:transform .25s ease;z-index:20;padding-bottom:calc(16px + env(safe-area-inset-bottom))}.app.panel-open .sidebar{transform:translateY(0)}.toast{top:calc(56px + env(safe-area-inset-top))}.panel-toggle{display:block;position:fixed;top:calc(10px + env(safe-area-inset-top));right:10px;z-index:21;padding:10px 14px;box-shadow:0 2px 10px #0006}input[type=number],input.number-input,select{font-size:16px;padding:9px 10px}button{padding:12px 14px;font-size:15px}.row label{font-size:14px}.piece-list{max-height:160px}}