:root{--bg: #f2e6c9;--surface-1: #e8d8ac;--surface-2: #d4bd86;--text: #2b2013;--text-muted: #6e5b3e;--accent: #bb5a2c;--accent-hover: #c8622f;--accent-support: #4f6b3a;--success: #4f7a3a;--danger: #a13a2b;--font-display: "Fraunces", Georgia, serif;--font-ui: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;--space-1: 8px;--space-2: 16px;--space-3: 24px;--space-4: 32px;--space-6: 48px;--radius: 12px;--radius-pill: 999px;--shadow: 0 4px 16px rgba(43, 32, 19, .18)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background-color:var(--bg);background-image:radial-gradient(circle at 15% 10%,rgba(255,255,255,.3),transparent 42%),radial-gradient(circle at 85% 0%,rgba(43,32,19,.07),transparent 45%),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0.17 0 0 0 0 0.13 0 0 0 0 0.07 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");color:var(--text);font-family:var(--font-ui)}#app{display:flex;flex-direction:column;min-height:100vh}h1,h2{font-family:var(--font-display);margin:0}.site-header{padding:var(--space-4) var(--space-4) var(--space-2);max-width:1400px;margin:0 auto;width:100%}.wordmark{display:flex;align-items:baseline;font-size:clamp(2.25rem,5vw,3.5rem);font-weight:600;letter-spacing:-.01em;color:var(--text)}.ring-o{display:inline-block;width:.6em;height:.6em;margin:0 .02em;border-radius:50%;vertical-align:middle;background:radial-gradient(circle,var(--text) 0 8%,transparent 9% 20%,var(--accent) 21% 34%,transparent 35% 46%,var(--accent-support) 47% 60%,transparent 61% 100%);transform:scale(0);opacity:0;animation:ring-wordmark-grow 1.4s cubic-bezier(.16,1,.3,1) .15s forwards}.ring-o+.ring-o{animation-delay:.5s}@keyframes ring-wordmark-grow{0%{transform:scale(0);opacity:0}60%{opacity:1}to{transform:scale(1);opacity:1}}.tagline{margin:var(--space-1) 0 0;color:var(--text-muted);font-size:1.05rem;max-width:60ch}.layout{flex:1;display:grid;grid-template-columns:minmax(280px,340px) 1fr;gap:var(--space-4);max-width:1400px;margin:0 auto;padding:var(--space-2) var(--space-4) var(--space-6);width:100%;align-items:start}.controls{display:flex;flex-direction:column;gap:var(--space-2);background:var(--surface-1);border-radius:var(--radius);padding:var(--space-3);box-shadow:var(--shadow)}.controls label{font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.tree-stage{position:relative;aspect-ratio:1 / 1;width:100%;max-width:720px;margin:0 auto;border-radius:var(--radius);background:var(--surface-1);box-shadow:var(--shadow),inset 0 0 0 1px #2b20130f;display:flex;overflow:hidden}#tree-canvas{width:100%;height:100%;display:block}.stage-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;margin:0;padding:var(--space-4);text-align:center;color:var(--text-muted);font-size:1.05rem;pointer-events:none}.stage-placeholder[hidden]{display:none}.ring-tooltip{position:absolute;transform:translate(-50%,-100%);margin-top:-10px;padding:6px 12px;border-radius:var(--radius);background:var(--text);color:var(--bg);font-size:.8rem;font-weight:500;white-space:nowrap;box-shadow:var(--shadow);pointer-events:none;z-index:2}.ring-tooltip[hidden]{display:none}.tree-note{position:absolute;left:50%;bottom:var(--space-2);transform:translate(-50%);max-width:calc(100% - var(--space-4));margin:0;padding:10px 20px;border-radius:var(--radius-pill);background:var(--surface-1);border:1px solid var(--accent-support);color:var(--text);font-size:.85rem;text-align:center;box-shadow:var(--shadow);pointer-events:none}.tree-note[hidden]{display:none}.tree-glow{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;pointer-events:none;opacity:0;background:radial-gradient(circle,rgba(187,90,44,.4),transparent 68%)}.tree-glow.pulse{animation:tree-glow-pulse .9s ease-out}@keyframes tree-glow-pulse{0%{opacity:0}30%{opacity:1}to{opacity:0}}@media(prefers-reduced-motion:reduce){.tree-glow.pulse{animation:none}}.year-list{display:flex;flex-wrap:wrap;gap:6px;max-height:140px;overflow-y:auto;padding-top:4px}.year-list[hidden]{display:none}.year-chip{-webkit-appearance:none;-moz-appearance:none;appearance:none;min-height:44px;min-width:44px;padding:8px 14px;border:1px solid var(--surface-2);border-radius:var(--radius-pill);background:var(--bg);color:var(--text-muted);font-family:var(--font-ui);font-size:.85rem;font-weight:500;cursor:pointer;transition:border-color .16s ease-out,color .16s ease-out,transform .16s ease-out}.year-chip:hover{border-color:var(--accent);color:var(--text);transform:translateY(-1px)}.year-chip:active{transform:translateY(1px) scale(.97)}.year-chip:focus-visible{outline:3px solid var(--accent-support);outline-offset:2px;color:var(--text)}.legend-list{display:flex;flex-wrap:wrap;gap:6px 14px;padding-top:4px;border-top:1px solid rgba(43,32,19,.1)}.legend-list[hidden]{display:none}.legend-item{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;color:var(--text-muted)}.legend-swatch{flex:none;width:12px;height:12px;border-radius:50%;box-shadow:inset 0 0 0 1px #2b201326}@media(max-width:768px){.layout{grid-template-columns:1fr;padding:var(--space-2) var(--space-2) var(--space-4)}.tree-stage{order:-1;max-width:none;width:min(60vh,100%)}}#repo-input{width:100%;min-height:44px;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--surface-2);background:var(--bg);color:var(--text);font-family:var(--font-ui);font-size:1rem;transition:border-color .18s ease-out,box-shadow .18s ease-out}#repo-input::placeholder{color:var(--text-muted);opacity:.7}#repo-input:hover{border-color:var(--accent)}#repo-input:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #bb5a2c40}#repo-input:disabled{opacity:.6;cursor:not-allowed}.controls-row{display:flex;flex-wrap:wrap;align-items:stretch;gap:var(--space-1)}#grow-btn{flex:1;white-space:nowrap;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:var(--radius-pill);min-height:44px;padding:12px 28px;background:var(--accent);color:#fdf6e3;font-family:var(--font-ui);font-weight:600;font-size:1rem;cursor:pointer;box-shadow:var(--shadow);transition:transform .16s ease-out,background-color .16s ease-out,box-shadow .16s ease-out}#grow-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}#grow-btn:active:not(:disabled){transform:translateY(1px) scale(.98);box-shadow:0 2px 8px #2b20132e}#grow-btn:focus-visible{outline:3px solid var(--accent-support);outline-offset:2px}#grow-btn:disabled{background:var(--surface-2);color:var(--text-muted);cursor:not-allowed;transform:none;box-shadow:none}#mute-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:118px;min-height:44px;padding:12px 16px;white-space:nowrap;border:1px solid var(--surface-2);border-radius:var(--radius-pill);background:var(--bg);color:var(--text);font-family:var(--font-ui);font-weight:500;font-size:.85rem;cursor:pointer;transition:transform .16s ease-out,border-color .16s ease-out,background-color .16s ease-out}#mute-btn:hover{border-color:var(--accent);transform:translateY(-1px)}#mute-btn:active{transform:translateY(1px) scale(.98)}#mute-btn:focus-visible{outline:3px solid var(--accent-support);outline-offset:2px}.mute-icon{display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--accent-support);box-shadow:inset 0 0 0 3px var(--bg);transition:background-color .16s ease-out}#mute-btn[aria-pressed=true] .mute-icon{background:var(--text-muted)}#status-msg{min-height:1.3em;margin:0;font-size:.9rem;color:var(--text-muted)}.error-banner{display:flex;align-items:flex-start;gap:var(--space-1);margin:0;padding:12px var(--space-2);border-radius:var(--radius);background:#a13a2b1f;border-left:3px solid var(--danger);color:var(--danger)}.error-banner[hidden]{display:none}.error-banner-icon{flex:none;display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--danger);color:var(--bg);font-family:var(--font-ui);font-weight:700;font-size:.8rem;line-height:1}.error-banner p{margin:0;font-size:.9rem;line-height:1.4}#export-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:none;display:inline-flex;align-items:center;justify-content:center;min-width:118px;min-height:44px;padding:12px 18px;white-space:nowrap;border:1px solid var(--accent-support);border-radius:var(--radius-pill);background:transparent;color:var(--accent-support);font-family:var(--font-ui);font-weight:600;font-size:.85rem;cursor:pointer;transition:transform .16s ease-out,background-color .16s ease-out,color .16s ease-out}#export-btn:hover:not(:disabled){background:var(--accent-support);color:#fdf6e3;transform:translateY(-1px)}#export-btn:active:not(:disabled){transform:translateY(1px) scale(.98)}#export-btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}#export-btn:disabled{border-color:var(--surface-2);color:var(--text-muted);cursor:not-allowed}#export-btn.pop-in{animation:export-pop-in .22s cubic-bezier(.16,1,.3,1)}@keyframes export-pop-in{0%{transform:scale(.85)}60%{transform:scale(1.05)}to{transform:scale(1)}}@media(prefers-reduced-motion:reduce){#export-btn.pop-in{animation:none}}@media(prefers-reduced-motion:reduce){.ring-o{animation:none;transform:scale(1);opacity:1}}.about{border-top:1px solid rgba(43,32,19,.14);background-color:#e8d8ac80;padding:var(--space-6) var(--space-4)}.about-inner{max-width:68ch;margin:0 auto}.about h2{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.125rem);line-height:1.2;font-weight:600;margin-bottom:var(--space-3)}.about h3{font-family:var(--font-display);font-size:1.375rem;font-weight:600;margin:var(--space-4) 0 var(--space-2)}.about p{margin:0 0 var(--space-2);line-height:1.65;color:var(--text)}.faq{margin:var(--space-2) 0 0}.faq dt{font-weight:600;margin-top:var(--space-3);color:var(--text)}.faq dd{margin:var(--space-1) 0 0;padding-left:var(--space-2);border-left:2px solid var(--accent-support);line-height:1.65;color:var(--text-muted)}.about code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;padding:.1em .35em;border-radius:4px;background-color:var(--surface-2);color:var(--text)}.site-footer{padding:var(--space-4);text-align:center;border-top:1px solid rgba(43,32,19,.14)}.site-footer p{margin:0 0 var(--space-1);color:var(--text-muted);font-size:.9375rem}.site-footer a{color:var(--accent-support);text-decoration-thickness:1px;text-underline-offset:3px;border-radius:4px;transition:color .16s ease-out}.site-footer a:hover{color:var(--accent)}.site-footer a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.portfolio-link{font-size:.875rem}