:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f1220;--panel:#191d33;--accent:#5ee6c8;--danger:#ff5d6c;--text:#f2f2fa;--text-dim:#8a8ea8;font-family:system-ui,Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,Tamil Sangam MN,Tamil MN,Nirmala UI,Devanagari Sangam MN,Devanagari MT,Noto Sans Tamil,Noto Sans Devanagari,sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0}#app{justify-content:center;align-items:center;width:100vw;height:100vh;display:flex}#language-toggle{z-index:10;gap:.4rem;display:flex;position:fixed;top:1rem;left:1rem}#language-toggle .lang-btn{padding:.4rem .9rem;font-size:.85rem}#title,#settings,#chart{background:var(--panel);text-align:center;border-radius:16px;width:min(90vw,420px);padding:2.5rem 3rem}#chart{flex-direction:column;width:min(90vw,640px);max-height:85vh;display:flex}#title h1,#settings h1,#chart h1{color:var(--accent);margin:0 0 .25rem;font-size:2rem}.subtitle{color:var(--text-dim);margin:0 0 1.5rem;font-size:.9rem}.title-actions{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:.5rem;display:flex}fieldset{text-align:left;border:1px solid #2c3153;border-radius:10px;margin:0 0 1rem;padding:.75rem 1rem 1rem}legend{color:var(--text-dim);padding:0 .4rem;font-size:.8rem}fieldset label{padding:.25rem 0;font-size:.95rem;display:block}fieldset:disabled{opacity:.4}button.small{margin-top:.4rem;padding:.35rem .9rem;font-size:.8rem}.checkbox-row{color:var(--text-dim);cursor:pointer;justify-content:center;align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:.9rem;display:flex}.sub-row{color:var(--text-dim);align-items:center;gap:.5rem;margin:.25rem 0 .5rem 1.5rem;font-size:.85rem;display:flex}.sub-row select{background:var(--bg);color:var(--text);border:1px solid #2c3153;border-radius:6px;padding:.2rem .4rem}.collapsed{display:none}.warning{color:var(--danger);margin:0 0 1rem;font-size:.85rem}.hint{color:var(--text-dim);margin:.5rem 0 0;font-size:.8rem}button{background:var(--accent);color:#04211c;cursor:pointer;border:none;border-radius:999px;padding:.75rem 2rem;font-size:1rem;font-weight:600;transition:transform .1s}button:hover{transform:translateY(-1px)}button:active{transform:translateY(0)}button.secondary{color:var(--text-dim);background:0 0;border:1px solid #2c3153}.chart-scroll{margin:1rem 0;padding-right:.25rem;overflow-y:auto}.chart-section h2{text-transform:uppercase;letter-spacing:.08rem;color:var(--text-dim);text-align:left;margin:1rem 0 .5rem;font-size:.85rem}.chart-grid{grid-template-columns:repeat(5,1fr);gap:.5rem;display:grid}.chart-cell{background:var(--bg);border:1px solid #0000;border-radius:10px;padding:.5rem .25rem;position:relative}.chart-cell.known{border-color:var(--accent)}.chart-cell.known:after{content:"✓";color:var(--accent);font-size:.65rem;line-height:1;position:absolute;top:2px;right:5px}.chart-cell .kana{font-size:1.3rem}.chart-cell .romaji{color:var(--text-dim);margin-top:.1rem;font-size:.75rem}.chart-cell .meaning{color:var(--accent);margin-top:.2rem;font-size:.7rem}.batch-list{flex-direction:column;gap:.5rem;display:flex}.batch-item{background:var(--bg);color:var(--text);text-align:left;border:1px solid #2c3153;border-radius:10px;flex-direction:column;align-items:flex-start;gap:.2rem;padding:.6rem .9rem;font-weight:400;display:flex}.batch-item.current{border-color:var(--accent)}.batch-item.completed{opacity:.6}.batch-item.known{border-color:var(--accent)}.batch-item:disabled{opacity:.3;cursor:not-allowed}.batch-label{color:var(--text-dim);font-size:.9rem}.batch-kana{font-size:1.1rem}.flashcard{background:var(--bg);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:16px;margin:.5rem 0 1rem;padding:2.5rem 1rem}.flashcard-kana{font-size:3rem}.flashcard-romaji{color:var(--accent);visibility:hidden;margin-top:.75rem;font-size:1.3rem}.flashcard.revealed .flashcard-romaji{visibility:visible}#game-screen{flex-direction:column;width:min(95vw,900px);height:min(85vh,640px);display:flex}#hud{justify-content:space-between;align-items:center;gap:1rem;padding:.5rem .25rem .75rem;font-size:1.1rem;display:flex}#hud-left{align-items:baseline;gap:1rem;display:flex}#counter,#level{color:var(--text-dim);font-size:.9rem}#lives{color:var(--danger);letter-spacing:.15rem}#play-area{background:var(--panel);border-bottom:2px solid var(--danger);border-radius:16px;flex:1;position:relative;overflow:hidden}.level-banner{color:var(--accent);background:#0f1220d9;justify-content:center;align-items:center;font-size:1.75rem;font-weight:600;display:flex;position:absolute;inset:0}.pause-overlay{text-align:center;background:#0f1220e6;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;display:flex;position:absolute;inset:0}.pause-title{color:var(--accent);font-size:1.75rem;font-weight:600}.pause-hint{color:var(--text-dim);margin:0 0 .5rem;font-size:.9rem}.falling-word{text-align:center;max-width:140px;transition:opacity .15s;position:absolute;transform:translate(-50%)}.falling-word .kana{font-size:2rem;line-height:1.1}.falling-word .romaji{color:var(--text-dim);margin-top:.15rem;font-size:.85rem}.falling-word .romaji .typed{color:var(--accent)}.falling-word .romaji.hidden{visibility:hidden}.falling-word .meaning{color:var(--accent);margin-top:.15rem;font-size:.75rem}.falling-word.active .kana{color:var(--accent)}.falling-word.destroyed{opacity:0;transform:translate(-50%)scale(1.3)}#game-over{background:var(--panel);text-align:center;border-radius:16px;padding:2.5rem 3rem}#game-over h1{color:var(--danger);margin:0 0 .5rem}#game-over h1.win{color:var(--accent)}.final-score{margin:0 0 1rem;font-size:1.3rem}.sub-detail{color:var(--text-dim);margin:-.5rem 0 1.5rem;font-size:.9rem}#account-menu{z-index:10;gap:.4rem;display:flex;position:fixed;top:1rem;right:1rem}#account-menu button{padding:.4rem .9rem;font-size:.85rem}#account-menu .trial-badge{color:var(--text-dim);align-self:center;margin-right:.2rem;font-size:.8rem}.modal-backdrop{z-index:20;background:#0f1220bf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-card{background:var(--panel);text-align:center;border-radius:16px;width:min(90vw,380px);padding:2.5rem 3rem}.modal-card h1{margin:0 0 1.25rem;font-size:1.5rem}.modal-card label{text-align:left;color:var(--text-dim);margin:0 0 1rem;font-size:.85rem;display:block}.modal-card input[type=email],.modal-card input[type=password],.modal-card input[type=text]{background:var(--bg);width:100%;color:var(--text);border:1px solid #2c3153;border-radius:8px;margin-top:.3rem;padding:.6rem .75rem;font-size:.95rem;display:block}.modal-tabs{justify-content:center;gap:.4rem;margin-bottom:1.5rem;display:flex}.modal-tabs button{padding:.4rem 1.1rem;font-size:.85rem}.modal-card .title-actions{margin-top:1.5rem}.link-btn{color:var(--accent);font-size:inherit;cursor:pointer;background:0 0;border:none;padding:0;font-weight:400;text-decoration:underline}.link-btn:hover{transform:none}.trial-status{color:var(--text-dim);margin:0 0 1.5rem;font-size:.9rem}