:root{--paper: #fdf9ee;--ink: #2a2118;--ink-soft: #6b5d4a;--accent: #c0392b;--accent-soft: #e8a89e;--mastered: #b8a99a;--gold: #c8a23a;--rule: #d8c8a4;--shadow: 0 6px 24px rgba(60, 40, 20, .12);--radius: 14px}.app-shell{max-width:920px;margin:0 auto;padding:1.25rem;display:flex;flex-direction:column;gap:1rem}.app-header{display:flex;align-items:center;justify-content:space-between;gap:1rem}.app-title{font-size:1.4rem;font-weight:700;letter-spacing:.02em;margin:0}.app-subtitle{font-size:.85rem;color:var(--ink-soft);margin:0}.lang-switch{display:flex;gap:.5rem}.lang-switch button{background:var(--paper);border:1px solid var(--rule);color:var(--ink);padding:.4rem .75rem;border-radius:999px;font-size:.85rem;cursor:pointer}.lang-switch button.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}.panel{background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}.alphabet-map{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:.4rem;padding:.5rem;background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow)}.alpha-cell{display:flex;flex-direction:column;align-items:center;padding:.5rem .25rem;border-radius:8px;border:1px solid var(--rule);font-size:.85rem}.alpha-native{font-weight:600;font-size:.85rem}.alpha-foreign{font-size:1.1rem}.alpha-cell-mastered{background:#b8a99a40;color:var(--mastered)}.alpha-cell-current{background:var(--accent);border-color:var(--accent);color:#fff}.alpha-cell-locked{background:#fff9;color:var(--ink-soft)}.menu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.menu-tile{background:var(--paper);border:1px solid var(--rule);border-radius:var(--radius);padding:1.25rem;text-align:left;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease;display:flex;flex-direction:column;gap:.4rem;font-family:inherit}.menu-tile:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow)}.menu-tile:disabled{opacity:.55;cursor:not-allowed}.menu-tile-title{font-weight:700;font-size:1.05rem}.menu-tile-desc{font-size:.85rem;color:var(--ink-soft)}.stage{background:var(--paper);border-radius:var(--radius);box-shadow:var(--shadow);padding:2rem;display:flex;flex-direction:column;gap:1rem}.stage 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1px;border-radius:3px}.text-render .glyph-locked{color:var(--ink)}.quiz-prompt{margin:0;font-size:1.15rem;text-align:center}.quiz-prompt .letter-native{font-size:1.3em;color:var(--ink);background:#0000000d;padding:.05em .4em;border-radius:6px;margin:0 .1em}.quiz-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.75rem}.quiz-options-text{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.quiz-option{background:#fff;border:2px solid var(--rule);border-radius:10px;padding:1rem;cursor:pointer;font-family:inherit;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:transform .1s ease,border-color .1s ease}.quiz-foreign{font-size:2.2rem;color:var(--ink)}.quiz-option-text{font-size:.95rem;text-align:left;justify-content:flex-start}.quiz-option:hover:not(:disabled){transform:translateY(-1px);border-color:var(--accent-soft)}.quiz-option-correct{border-color:#2e8b57;background:#2e8b571f}.quiz-option-wrong{border-color:var(--accent);background:#c0392b1f}.words-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.4rem}.word-row{display:flex;justify-content:space-between;align-items:baseline;background:#fff;border:1px solid var(--rule);border-radius:8px;padding:.6rem 1rem}.word-foreign{margin:0;font-size:1.4rem;font-family:Georgia,serif}.word-native{font-size:.9rem;color:var(--ink-soft);letter-spacing:.05em}.stage-actions{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center}.btn{padding:.7rem 1.4rem;border-radius:999px;border:none;font-size:.95rem;font-weight:600;cursor:pointer;font-family:inherit;transition:transform .1s ease,opacity .1s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--ink);color:var(--paper)}.btn-primary:hover:not(:disabled){transform:translateY(-1px)}.btn-secondary{background:transparent;border:1px solid var(--rule);color:var(--ink)}.btn-secondary:hover:not(:disabled){background:#0000000a}.daily-banner{background:#c8a23a2e;border:1px solid var(--gold);color:#6e5018;padding:.6rem 1rem;border-radius:8px;font-size:.85rem}.toast{position:fixed;bottom:1rem;left:50%;transform:translate(-50%);background:var(--ink);color:var(--paper);padding:.5rem 1rem;border-radius:999px;font-size:.85rem;box-shadow:var(--shadow);z-index:50}.custom-textarea{width:100%;min-height:220px;border:1px solid var(--rule);border-radius:10px;padding:.75rem;font-family:Georgia,serif;font-size:1rem;resize:vertical;background:#fff}.celebration{text-align:center;padding:1rem 0}.celebration h2{font-size:1.6rem}.celebration .letter-pair{font-size:3rem}@media (max-width: 600px){.stage{padding:1.25rem}.letter-pair{font-size:3rem}.quiz-foreign{font-size:1.8rem}}:root{color-scheme:light}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:linear-gradient(180deg,#faf7f0,#f4ecd8);color:#2a2118;min-height:100vh}#root{min-height:100vh}