:root{--bark: #4a3728;--bark-soft: #7a6553;--paper: #f6f1e4;--paper-raised: #fffdf7;--moss: #2f5d3f;--moss-light: #4e8a62;--moss-tint: #e3efe6;--clay: #c2663a;--clay-tint: #f7e6dc;--sky: #3d6d8f;--sky-tint: #e2edf4;--sand: #e8dcc0;--gold: #d9a441;--ink: #241c14;--radius: 16px;--radius-lg: 24px;--tap: 44px;--shadow: 0 2px 0 rgba(74, 55, 40, .18);--font: "Trebuchet MS", "Segoe UI", system-ui, -apple-system, sans-serif;--font-letter: "Comic Sans MS", "Trebuchet MS", sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--paper);color:var(--ink);font-size:18px;line-height:1.5;overscroll-behavior:none}.no-scroll{overflow:hidden;touch-action:manipulation}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}.app{height:100%;display:flex;flex-direction:column}.btn{min-height:var(--tap);min-width:var(--tap);padding:14px 24px;border-radius:var(--radius);background:var(--paper-raised);border:2px solid var(--bark-soft);box-shadow:var(--shadow);font-weight:600;transition:transform .08s ease}.btn:active{transform:translateY(2px);box-shadow:none}.btn-primary{background:var(--moss);border-color:var(--moss);color:#fff}.btn-big{font-size:24px;padding:20px 40px;border-radius:var(--radius-lg)}.btn-quiet{background:transparent;border-color:transparent;box-shadow:none;color:var(--bark-soft);text-decoration:underline}.btn:disabled{opacity:.45;cursor:default}.screen{flex:1;display:flex;flex-direction:column;padding:20px 24px;gap:16px;min-height:0}.topbar{display:flex;align-items:center;gap:16px;min-height:56px}.topbar h1{font-size:22px;margin:0;flex:1}.goal{background:var(--sand);border-radius:var(--radius);padding:8px 16px;font-size:15px;font-weight:600;color:var(--bark)}.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;text-align:center;min-height:0}.card{background:var(--paper-raised);border:2px solid var(--sand);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}.row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;align-items:center}.col{display:flex;flex-direction:column;gap:12px}.spacer{flex:1}.word-big{font-size:72px;font-weight:700;letter-spacing:2px;font-family:var(--font-letter)}.grapheme{display:inline-block;padding:2px 6px;border-radius:8px}.grapheme-irregular{background:var(--clay-tint);outline:3px dashed var(--clay);outline-offset:2px;text-decoration:underline wavy var(--clay) 3px;text-underline-offset:8px}.grapheme-known{background:var(--moss-tint)}.tiles{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.tile{min-width:68px;min-height:80px;font-size:40px;font-family:var(--font-letter);font-weight:700;background:var(--paper-raised);border:3px solid var(--bark-soft);border-radius:14px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center}.tile:active{transform:translateY(2px)}.tile-placed{background:var(--moss-tint);border-color:var(--moss)}.slots{display:flex;gap:10px;justify-content:center;min-height:92px;align-items:center}.slot{min-width:68px;min-height:80px;border:3px dashed var(--bark-soft);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:40px;font-family:var(--font-letter);font-weight:700;background:#ffffff80}.feedback{font-size:22px;font-weight:600;padding:12px 20px;border-radius:var(--radius);min-height:56px;display:flex;align-items:center;gap:10px}.feedback-good{background:var(--moss-tint);color:var(--moss)}.feedback-again{background:var(--sky-tint);color:var(--sky)}.helper{color:var(--bark-soft);font-size:16px}.pips{display:flex;gap:8px}.pip{width:14px;height:14px;border-radius:50%;background:var(--sand)}.pip-done{background:var(--moss)}.pip-now{background:var(--gold);transform:scale(1.3)}.wallet{display:flex;gap:16px;align-items:center;font-weight:700;color:var(--bark)}.wallet span{background:var(--sand);border-radius:999px;padding:6px 14px;display:inline-flex;align-items:center;gap:6px}.island-wrap{position:relative;width:100%;max-width:660px;border-radius:var(--radius-lg);overflow:hidden;border:2px solid var(--sand);box-shadow:var(--shadow);padding:10px}.island-wrap .island-grid{position:relative}.island-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;max-width:640px;width:100%}.island-cell{aspect-ratio:1;border-radius:10px;background:#ffffff47;border:2px solid rgba(74,55,40,.14);display:flex;align-items:center;justify-content:center}.island-cell-filled{background:#fffdf7b3;border-color:var(--bark-soft)}.dash{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:40px}.tabs{display:flex;gap:8px;flex-wrap:wrap}.tab{padding:10px 18px;border-radius:999px;border:2px solid var(--sand);background:var(--paper-raised);font-weight:600;min-height:var(--tap)}.tab-active{background:var(--moss);border-color:var(--moss);color:#fff}table.data{width:100%;border-collapse:collapse;font-size:15px}table.data th,table.data td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--sand);vertical-align:top}table.data th{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--bark-soft)}.chip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:13px;font-weight:600;border:1px solid transparent}.chip-secure{background:var(--moss-tint);color:var(--moss)}.chip-retained{background:var(--sky-tint);color:var(--sky)}.chip-independent{background:var(--sand);color:var(--bark)}.chip-supported,.chip-introduced{background:#f0ece2;color:var(--bark-soft)}.chip-applied{background:var(--moss-tint);color:var(--moss-light)}.chip-none{background:transparent;color:var(--bark-soft);border-color:var(--sand);font-style:italic}.chip-warn{background:var(--clay-tint);color:var(--clay)}.note{background:var(--sky-tint);border-left:4px solid var(--sky);padding:12px 16px;border-radius:8px;font-size:15px}.warn{background:var(--clay-tint);border-left:4px solid var(--clay);padding:12px 16px;border-radius:8px;font-size:15px}.trace-wrap{position:relative;width:min(420px,80vw);aspect-ratio:1}.trace-wrap svg,.trace-wrap canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:none}.reduced-motion *{transition:none!important;animation:none!important}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}