:root{color-scheme:light;--bg: #efe6d8;--panel: rgba(255, 251, 245, .82);--panel-border: rgba(82, 61, 43, .18);--panel-strong: #fffaf2;--text: #1f2933;--muted: #5d6b78;--accent: #b5651d;--accent-soft: rgba(181, 101, 29, .12);--danger: #b42318;--shadow: 0 20px 50px rgba(75, 55, 35, .12);font-family:IBM Plex Sans,Avenir Next,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:var(--text)}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-height:100vh}button,textarea,input{font:inherit}.app-shell{height:100vh;display:grid;grid-template-columns:minmax(320px,380px) 1fr;gap:20px;padding:20px;overflow:hidden}.sidebar{display:flex;flex-direction:column;gap:16px;min-height:0;overflow-y:auto;padding:12px 18px 28px 10px;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:rgba(93,107,120,.72) transparent}.sidebar::-webkit-scrollbar{width:12px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:rgba(93,107,120,.72);border:3px solid transparent;border-radius:999px;background-clip:padding-box}.sidebar::-webkit-scrollbar-thumb:hover{background:rgba(66,78,89,.88);border:3px solid transparent;background-clip:padding-box}.viewer-panel{min-width:0;min-height:0;height:calc(100vh - 40px)}.panel{background:var(--panel);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.hero-panel{background:linear-gradient(135deg,rgba(255,250,242,.98),rgba(249,235,216,.92)),var(--panel)}.eyebrow{margin:0 0 8px;color:var(--accent);text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:700}.hero-panel h1,.panel-heading h2{margin:0;font-size:1.25rem}.hero-copy,.panel-heading p,.status-text,.inspector-detail,.empty-state{color:var(--muted)}.hero-copy{margin:10px 0 0}.panel-heading{margin-bottom:14px}.panel-heading p{margin:4px 0 0;font-size:.94rem}.input-label,dt{font-size:.84rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.chain-textarea{width:100%;resize:vertical;min-height:84px;margin-top:8px;padding:14px 16px;border:1px solid rgba(71,85,105,.18);border-radius:16px;background:var(--panel-strong);color:var(--text);font-family:IBM Plex Mono,SFMono-Regular,monospace;font-size:.96rem}.chain-textarea:focus{outline:2px solid rgba(181,101,29,.28);border-color:#b5651d61}.legend-row,.token-strip{display:flex;flex-wrap:wrap;gap:8px}.legend-row{margin-top:14px}.view-options{display:flex;flex-direction:column;gap:10px;margin-top:14px}.toggle-row{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:500}.toggle-row input{width:16px;height:16px;accent-color:var(--accent)}.start-index-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border:1px solid rgba(71,85,105,.16);border-radius:18px;background:rgba(255,255,255,.62)}.start-index-copy{display:flex;flex-direction:column;gap:2px;min-width:0}.start-index-label{color:var(--text);font-size:.94rem;font-weight:600}.start-index-hint{color:var(--muted);font-size:.82rem;line-height:1.35}.start-index-input{width:84px;padding:10px 12px;border:1px solid rgba(71,85,105,.18);border-radius:14px;background:var(--panel-strong);color:var(--text);font-size:.98rem;font-weight:600;text-align:center;-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield}.start-index-input::-webkit-outer-spin-button,.start-index-input::-webkit-inner-spin-button{margin:0;-webkit-appearance:none}.start-index-input:focus{outline:2px solid rgba(181,101,29,.28);border-color:#b5651d61}.intersection-label{padding:0;border-radius:0;background:transparent;color:#1f2937;border:0;box-shadow:none;font-size:24px;font-weight:500;line-height:1;white-space:nowrap;-webkit-user-select:none;user-select:none}.intersection-label sub{font-size:.58em;vertical-align:-.2em;margin-left:1px}.legend-pill,.token-pill{border-radius:999px;padding:8px 12px;font-size:.92rem}.legend-pill{background:var(--accent-soft);color:#6b3f12}.status-text{margin:14px 0 0}.token-strip{gap:10px}.token-pill{border:1px solid rgba(71,85,105,.16);background:rgba(255,255,255,.86);color:var(--text);cursor:pointer;transition:transform .14s ease,border-color .14s ease,background .14s ease}.token-pill:hover:not(:disabled){transform:translateY(-1px);border-color:#b5651d73}.token-pill.is-selected{background:#f4a261;border-color:#f4a261;color:#24170d}.token-pill.is-pending{opacity:.45}.token-pill.is-failed{background:rgba(180,35,24,.12);border-color:#b4231859;color:var(--danger)}.token-pill:disabled{cursor:not-allowed}.inspector-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px;margin:0 0 16px}.inspector-grid div{padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.65)}dd{margin:4px 0 0;font-weight:600}.cycle-button{width:100%;border:0;border-radius:14px;padding:12px 16px;background:linear-gradient(135deg,#b5651d,#d97706);color:#fff;cursor:pointer}.cycle-button:disabled{cursor:not-allowed;opacity:.55}.canvas-shell{width:100%;min-width:0;height:100%;border-radius:28px;overflow:hidden;border:1px solid rgba(82,61,43,.15);box-shadow:var(--shadow)}@media (max-width: 980px){.app-shell{height:auto;min-height:100vh;grid-template-columns:1fr;overflow:visible}.sidebar{overflow:visible;padding:0}.viewer-panel{min-height:62vh;height:62vh}.start-index-row{align-items:flex-start;flex-direction:column}.start-index-input{width:100%}}