.morse-words-entry-screen{--infinite-words-stepper-width:min(190px,100%)}.morse-title{--morse-title-offset:10px;display:inline-block;position:relative}.morse-title-main{display:inline-block;position:relative}.level-title{--level-title-offset:10px;display:inline-block;position:relative}.level-title-main{display:inline-block;position:relative}.morse-title-toggle,.level-title-toggle{width:28px;height:28px;color:var(--text);box-shadow:none;background:0 0;border:none;border-radius:999px;outline:none;place-items:center;padding:0;font-size:1rem;line-height:1;display:grid;position:absolute;top:50%}.morse-title-toggle.is-next{left:calc(100% + var(--morse-title-offset));transform:translateY(-50%)}.level-title-toggle.is-next{left:calc(100% + var(--level-title-offset));transform:translateY(-50%)}.morse-title-toggle.is-back,.morse-title-toggle.is-prev,.level-title-toggle.is-back,.level-title-toggle.is-prev{right:calc(100% + 10px);transform:translateY(-50%)}.morse-title-toggle:active,.level-title-toggle:active{transform:translateY(calc(1px - 50%))}.morse-title-toggle:focus-visible,.level-title-toggle:focus-visible{box-shadow:none;outline:none}.morse-title-sub,.level-title-sub{letter-spacing:.14em;color:var(--muted);font-size:.5em;position:absolute;top:50%;left:calc(100% + 2px);transform:translateY(-50%)}.morse-title-dot{opacity:.25;transition:opacity .12s linear;display:inline-block}.morse-title-dot.is-on{opacity:1}.kana-toggle-stack{grid-template-columns:repeat(5,minmax(0,1fr));justify-items:center;gap:14px;width:min(520px,100%);display:grid}.kana-toggle-row{background:0 0;border:none;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-width:0;padding:12px 0;display:flex}.kana-toggle-row.is-hidden{visibility:hidden;pointer-events:none}.kana-toggle-row .toggle-label{text-align:center}.kana-index-screen{padding:0 18px calc(18px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex-direction:column;display:flex;overflow-y:auto}.kana-index-screen .screen-header{padding-top:calc(24px + env(safe-area-inset-top))}.kana-index-list{gap:18px;width:min(720px,100%);margin:0 auto;padding-bottom:24px;display:grid}.kana-index-group{gap:12px;display:grid}.kana-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;display:grid}.kana-card{border:1px solid var(--border);background:#ffffff05;border-radius:14px;place-items:center;gap:6px;min-height:78px;padding:10px 8px;display:grid}.kana-symbol{color:var(--text);font-family:Yu Gothic,Hiragino Sans,Meiryo,Noto Sans JP,sans-serif;font-size:1.6rem}.kana-name{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-size:.72rem}.russian-words-index-screen{padding:0 18px calc(18px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex-direction:column;display:flex;overflow-y:auto}.russian-words-index-screen .screen-header{padding-top:calc(24px + env(safe-area-inset-top))}.russian-words-index-list{gap:18px;width:min(720px,100%);margin:0 auto;padding-bottom:24px;display:grid}.russian-words-index-screen.is-active .russian-words-index-list{animation:.26s forwards index-list-in}.russian-words-index-group{gap:12px;display:grid}.russian-words-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.russian-word-card{border:1px solid var(--border);text-align:center;background:#ffffff05;border-radius:14px;place-items:center;min-height:56px;padding:10px 8px;display:grid}.russian-word-symbol{color:var(--text);word-break:break-word;font-size:1.1rem}.kanji-index-screen{padding:0 18px calc(18px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch;flex-direction:column;display:flex;overflow-y:auto}.kanji-index-screen .screen-header{padding-top:calc(24px + env(safe-area-inset-top))}.kanji-index-list{gap:18px;width:min(720px,100%);margin:0 auto;padding-bottom:24px;display:grid}.kanji-index-group{gap:12px;display:grid}.kanji-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;display:grid}.kanji-card{border:1px solid var(--border);text-align:center;cursor:pointer;min-height:78px;color:inherit;font:inherit;appearance:none;background:#ffffff05;border-radius:14px;place-items:center;gap:6px;padding:10px 8px;display:grid}.kanji-symbol{color:var(--text);font-family:Yu Gothic,Hiragino Sans,Meiryo,Noto Sans JP,sans-serif;font-size:1.8rem}.kanji-name{letter-spacing:.06em;-webkit-line-clamp:2;text-align:center;min-height:2.1em;color:var(--muted);-webkit-box-orient:vertical;font-size:.72rem;line-height:1.2;display:-webkit-box;overflow:hidden}.kanji-card.is-expanded{grid-column:1/-1;gap:10px;min-height:0;padding:16px}.kanji-card.is-expanded .kanji-symbol{font-size:2.4rem}.kanji-card.is-expanded .kanji-name{-webkit-line-clamp:3;min-height:0}.kanji-details{gap:8px;width:min(540px,100%);display:grid}.kanji-detail-row{text-align:left;gap:6px;display:grid}.kanji-detail-label{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-size:.72rem}.kanji-detail-value{color:var(--text);font-size:.92rem;line-height:1.35}.morse-screen{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;flex-direction:column;display:flex}.morse-live-screen{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;padding-bottom:calc(18px + env(safe-area-inset-bottom));flex-direction:column;align-items:center;display:flex}.morse-live-screen .screen-header{z-index:3;position:relative}.morse-live-output{text-align:center;letter-spacing:.18em;text-transform:uppercase;width:min(90vw,640px);color:var(--text);z-index:2;pointer-events:none;flex-wrap:wrap;justify-content:center;gap:6px;margin:auto 0;font-size:clamp(2rem,8vw,4rem);display:flex;position:relative}.morse-live-input{pointer-events:none;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 10px;max-width:min(360px,90%);height:64px;min-height:64px;margin:0 auto 24px;display:flex;overflow:hidden}.morse-live-text{white-space:pre-wrap;word-break:break-word}.morse-live-preview{min-width:1ch;color:var(--muted);opacity:.6;display:inline-block}.morse-live-preview.is-empty{visibility:hidden}.morse-live-hint{letter-spacing:.22em;text-transform:uppercase;color:var(--muted);opacity:.7;place-items:center;font-size:.9rem;display:grid;position:absolute;inset:0}.morse-live-layer{z-index:1;background:0 0}.morse-screen.is-decode{padding-bottom:calc(220px + env(safe-area-inset-bottom))}.morse-screen.is-decode .morse-keyboard{left:0;right:0;bottom:calc(18px + env(safe-area-inset-bottom));margin:0 auto;padding:0 18px;position:absolute}.morse-panel{text-align:center;z-index:1;justify-items:center;gap:12px;width:min(520px,100%);margin:0 auto;display:grid;position:relative}.morse-panel.is-decode{flex-direction:column;flex:1;gap:12px;width:min(520px,100%);display:flex}.morse-code-slot{touch-action:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;width:100%;display:flex;position:relative}.morse-code-slot .morse-status-top{white-space:nowrap;margin:0;position:absolute;top:12px;left:50%;transform:translate(-50%)}.morse-word{letter-spacing:.2em;text-transform:uppercase;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;min-height:44px;font-size:1.7rem;font-weight:600;display:flex}.morse-word-letter{text-align:center;min-width:24px;color:var(--text);transition:color var(--transition),transform var(--transition),opacity var(--transition);position:relative}.morse-word-letter.is-empty:after{content:"_";color:var(--muted)}.morse-word-letter.is-active{color:var(--accent-strong);transform:translateY(-2px)}.morse-target{letter-spacing:.16em;font-size:3rem;font-weight:600}.morse-input{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 10px;max-width:min(360px,90%);min-height:32px;margin:0 auto;display:flex;overflow:hidden}.morse-input .morse-unit{color:var(--text);opacity:1}.morse-placeholder{letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-size:.85rem}.morse-signal{border:1px solid var(--border);width:min(340px,90%);height:120px;transition:background var(--transition),box-shadow var(--transition);background:#ffffff08;border-radius:20px;place-items:center;display:grid}.morse-beam{background:#ffffff1f;border-radius:999px;width:64px;height:64px;transition:width .2s,height .2s,background .2s}.morse-signal.is-dash .morse-beam{width:160px;height:20px}.morse-signal.is-on{background:#ffffff14;box-shadow:0 0 20px #ffffff14}.morse-signal.is-on .morse-beam{background:var(--accent)}.morse-code{justify-content:center;align-items:center;gap:10px;min-height:32px;display:flex}.morse-code-word{flex-wrap:wrap;justify-content:center;align-items:center;gap:18px;min-height:32px;display:flex}.morse-code-group{opacity:.7;align-items:center;gap:10px;transition:opacity .16s,transform .16s;display:flex}.morse-code-group.is-active{opacity:1;transform:translateY(-2px)}.morse-unit{letter-spacing:.16em;color:var(--muted);opacity:.5;font-size:2.4rem;transition:opacity .16s,color .16s,transform .16s}.morse-unit.is-active{color:var(--text);opacity:1;transform:translateY(-2px)}.morse-status{font-size:.9rem}.morse-status-top{margin:0 0 8px}.morse-answer-overlay{z-index:3;pointer-events:none;place-items:center;display:grid;position:absolute;inset:0}.morse-start-overlay{z-index:3;color:inherit;cursor:pointer;background:0 0;border:none;place-items:center;padding:0;display:grid;position:absolute;inset:0}.morse-start-overlay:focus-visible{box-shadow:none;outline:none}.morse-start-card{text-align:center;box-shadow:none;background:0 0;border-radius:18px;justify-items:center;gap:12px;padding:18px 20px;display:grid}.morse-start-title{letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.78rem}.morse-start-steps{color:var(--text);gap:6px;font-size:.95rem;display:grid}.morse-start-arrows{color:var(--muted);justify-content:center;gap:14px;font-size:1.1rem;display:flex}.morse-start-cta{letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.72rem}.morse-answer-card{text-align:center;-webkit-backdrop-filter:blur(6px);background:#00000073;border:none;border-radius:16px;justify-items:center;gap:10px;padding:12px 18px;display:grid}.morse-answer-label{letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0;font-size:.75rem}.morse-answer-value{letter-spacing:.2em;min-width:3ch;color:var(--text);justify-content:center;align-items:center;padding-left:.1em;font-size:clamp(2.6rem,7vw,3.8rem);display:inline-flex}.morse-answer-card.is-correct .morse-answer-label{color:#2ecc71e6}.morse-answer-card.is-wrong .morse-answer-label{color:#e74c3ce6}.morse-advance-layer{cursor:pointer;z-index:2;box-shadow:none;background:0 0;border:none;outline:none;padding:0;position:absolute;inset:0}.morse-advance-layer:focus-visible{box-shadow:none;outline:none}.morse-replay{margin:0}.morse-tap-layer{z-index:2;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background:0 0;place-items:center;display:grid;position:absolute;inset:0}.morse-tap-hint{letter-spacing:.2em;text-transform:uppercase;color:var(--text);pointer-events:none;justify-items:center;gap:6px;font-size:.85rem;animation:2s forwards morse-hint-fade;display:grid}.morse-hint-row{justify-items:center;gap:4px;display:grid}.morse-swipe-hint{justify-items:center;gap:8px;margin-top:6px;display:grid}.morse-start-swipes{justify-items:center;gap:8px;display:grid}.morse-swipe-item{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);align-items:center;gap:8px;font-size:.85rem;display:inline-flex}.morse-swipe-icon{letter-spacing:0;color:var(--text);font-size:1rem}.morse-swipe-arrow{width:18px;height:18px;animation:1s ease-in-out infinite morse-swipe-up;position:relative}.morse-swipe-arrow:before{content:"";background:var(--text);width:2px;height:12px;position:absolute;top:2px;left:50%;transform:translate(-50%)}.morse-swipe-arrow:after{content:"";border-left:2px solid var(--text);border-top:2px solid var(--text);width:8px;height:8px;position:absolute;top:0;left:50%;transform:translate(-50%)rotate(45deg)}@keyframes morse-hint-fade{0%{opacity:0;transform:translateY(6px)}20%{opacity:1;transform:translateY(0)}80%{opacity:1}to{opacity:0;transform:translateY(-6px)}}@keyframes morse-swipe-up{0%,to{opacity:.4;transform:translateY(4px)}50%{opacity:1;transform:translateY(-4px)}}.morse-complete{justify-items:center;gap:10px;width:min(420px,100%);display:grid}.morse-complete-actions{gap:10px;width:100%;display:grid}.morse-keyboard{margin-top:12px}.morse-index-card{cursor:pointer;color:inherit;font:inherit;border:1px solid var(--border);appearance:none;text-align:center;background:#ffffff05;border-radius:14px;place-items:center;gap:8px;min-height:78px;padding:10px 8px;display:grid}.morse-index-card.is-expanded{grid-column:1/-1;min-height:0;padding:16px}.morse-index-main{place-items:center;gap:6px;display:grid}.morse-index-detail{justify-items:center;gap:8px;width:100%;display:grid}.morse-index-signal{justify-content:center;align-items:center;gap:10px;min-height:24px;display:flex}.morse-index-pulse{background:var(--accent);opacity:.2;border-radius:999px;width:12px;height:12px;animation:linear infinite morse-pulse}.morse-index-pulse.is-dash{width:30px;height:10px}@keyframes morse-pulse{0%,70%{opacity:.2}30%{opacity:1}}.morse-index-screen .kana-symbol{font-family:var(--font-sans),"Segoe UI","Helvetica Neue",Arial,sans-serif}.morse-index-screen .kana-name{letter-spacing:.12em}.languages-draw-screen{flex-direction:column;align-items:center;gap:16px;min-height:100%;display:flex}.draw-header{justify-items:center;gap:6px;display:grid}.draw-status{letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-size:.8rem}.draw-status.is-locked{color:var(--text)}.draw-panel{aspect-ratio:1;border:1px solid var(--border);width:min(90vw,420px);box-shadow:var(--shadow);background:radial-gradient(circle at top,#ffffff14,#0000 70%);border-radius:18px;position:relative;overflow:hidden}.draw-reference{color:var(--text);opacity:.18;pointer-events:none;z-index:0;place-items:center;font-family:Yu Gothic,Hiragino Sans,Meiryo,Noto Sans JP,sans-serif;font-size:clamp(9rem,46vw,24rem);display:grid;position:absolute;inset:0}.draw-canvas{touch-action:none;z-index:1;width:100%;height:100%;display:block;position:relative}.draw-canvas.is-locked{pointer-events:none}.draw-controls{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}