.alphabet-page[data-astro-cid-fo35bkve]{width:100%}.intro-section[data-astro-cid-fo35bkve]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:2rem;line-height:1.7}.intro-section[data-astro-cid-fo35bkve] p[data-astro-cid-fo35bkve]{margin:0 0 1rem;color:var(--color-text)}.intro-section[data-astro-cid-fo35bkve] p[data-astro-cid-fo35bkve]:last-child{margin-bottom:0}.intro-tip[data-astro-cid-fo35bkve]{background:var(--color-bg);border-radius:var(--radius-md);padding:.75rem 1rem;font-size:.9rem}.callout[data-astro-cid-fo35bkve]{display:flex;gap:.875rem;padding:1rem 1.25rem;border-radius:var(--radius-lg);margin-bottom:1.25rem;line-height:1.6}.callout--info[data-astro-cid-fo35bkve]{background:#3b82f614;border:1px solid rgba(59,130,246,.2)}.callout--pattern[data-astro-cid-fo35bkve]{background:#a855f714;border:1px solid rgba(168,85,247,.2)}[data-astro-cid-fo35bkve][data-theme=dark] .callout--info[data-astro-cid-fo35bkve]{background:#3b82f626;border-color:#3b82f64d}[data-astro-cid-fo35bkve][data-theme=dark] .callout--pattern[data-astro-cid-fo35bkve]{background:#a855f726;border-color:#a855f74d}.callout__icon[data-astro-cid-fo35bkve]{font-size:1.25rem;line-height:1.4;flex-shrink:0}.callout__content[data-astro-cid-fo35bkve]{font-size:.9rem;color:var(--color-text)}.callout__content[data-astro-cid-fo35bkve] strong[data-astro-cid-fo35bkve]{color:var(--color-text)}.callout__example[data-astro-cid-fo35bkve]{margin-top:.75rem;padding:.625rem .875rem;background:var(--color-bg);border-radius:var(--radius-md);font-family:var(--font-mono);font-size:.8rem;color:var(--color-text-secondary);overflow-x:auto;white-space:nowrap}.section[data-astro-cid-fo35bkve]{margin-bottom:2.5rem}.section-header[data-astro-cid-fo35bkve]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem}.section-title[data-astro-cid-fo35bkve]{font-size:1.25rem;font-weight:600;margin:0;color:var(--color-text)}.section[data-astro-cid-fo35bkve]>.section-title[data-astro-cid-fo35bkve]{margin-bottom:1rem}.section-description[data-astro-cid-fo35bkve]{color:var(--color-text-secondary);margin:0 0 1rem;font-size:.95rem}.sort-controls[data-astro-cid-fo35bkve]{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.sort-label[data-astro-cid-fo35bkve]{font-size:.875rem;color:var(--color-text-secondary);font-weight:500}.sort-btn[data-astro-cid-fo35bkve]{padding:.375rem .75rem;font-size:.8125rem;font-weight:500;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text-secondary);cursor:pointer;transition:all .15s ease}.sort-btn[data-astro-cid-fo35bkve]:hover{border-color:var(--color-primary);color:var(--color-primary)}.sort-btn--active[data-astro-cid-fo35bkve]{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.sort-btn--active[data-astro-cid-fo35bkve]:hover{background:var(--color-primary);color:#fff}.alphabet-grid[data-astro-cid-fo35bkve]{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:.75rem}.alphabet-grid--numbers[data-astro-cid-fo35bkve]{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));max-width:700px}.alphabet-card[data-astro-cid-fo35bkve]{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);padding:.875rem .5rem;text-align:center;cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;align-items:center;gap:.5rem;overflow:hidden}.alphabet-card[data-astro-cid-fo35bkve]:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.alphabet-card--playing[data-astro-cid-fo35bkve]{border-color:var(--color-primary);background:var(--color-primary)}.alphabet-card--playing[data-astro-cid-fo35bkve] .alphabet-card__char[data-astro-cid-fo35bkve],.alphabet-card--playing[data-astro-cid-fo35bkve] .alphabet-card__morse[data-astro-cid-fo35bkve]{color:#fff}.alphabet-card__char[data-astro-cid-fo35bkve]{font-size:1.75rem;font-weight:700;color:var(--color-text);line-height:1}.alphabet-card__morse[data-astro-cid-fo35bkve]{display:flex;align-items:center;justify-content:center;gap:3px;min-height:12px;flex-wrap:wrap;max-width:100%;padding:0 2px}.morse-dot[data-astro-cid-fo35bkve]{width:8px;height:8px;fill:var(--color-primary);flex-shrink:0}.morse-dash[data-astro-cid-fo35bkve]{width:20px;height:8px;fill:var(--color-primary);flex-shrink:0}.alphabet-card--playing[data-astro-cid-fo35bkve] .morse-dot[data-astro-cid-fo35bkve],.alphabet-card--playing[data-astro-cid-fo35bkve] .morse-dash[data-astro-cid-fo35bkve]{fill:#fff}.alphabet-card--prosign[data-astro-cid-fo35bkve] .alphabet-card__char[data-astro-cid-fo35bkve]{font-size:.875rem}.alphabet-card--prosign[data-astro-cid-fo35bkve] .alphabet-card__morse[data-astro-cid-fo35bkve]{gap:2px}.alphabet-card--prosign[data-astro-cid-fo35bkve] .morse-dot[data-astro-cid-fo35bkve]{width:6px;height:6px}.alphabet-card--prosign[data-astro-cid-fo35bkve] .morse-dash[data-astro-cid-fo35bkve]{width:14px;height:6px}.content-section[data-astro-cid-fo35bkve]{margin:3rem 0;padding-top:2rem;border-top:1px solid var(--color-border)}.content-section[data-astro-cid-fo35bkve] h2[data-astro-cid-fo35bkve]{font-size:1.5rem;font-weight:600;margin:0 0 1rem;color:var(--color-text)}.content-section[data-astro-cid-fo35bkve] h3[data-astro-cid-fo35bkve]{font-size:1.125rem;font-weight:600;margin:1.5rem 0 .75rem;color:var(--color-text)}.content-section[data-astro-cid-fo35bkve] p[data-astro-cid-fo35bkve]{margin:0 0 1rem;line-height:1.7;color:var(--color-text)}.content-section[data-astro-cid-fo35bkve] ul[data-astro-cid-fo35bkve]{margin:0 0 1rem;padding-left:1.5rem}.content-section[data-astro-cid-fo35bkve] li[data-astro-cid-fo35bkve]{margin:.5rem 0;line-height:1.6;color:var(--color-text)}.faq-section[data-astro-cid-fo35bkve]{display:flex;flex-direction:column;gap:.75rem}.faq-section[data-astro-cid-fo35bkve] h2[data-astro-cid-fo35bkve]{margin-bottom:.5rem}.faq-item[data-astro-cid-fo35bkve]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.faq-question[data-astro-cid-fo35bkve]{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;font-size:1rem;font-weight:600;color:var(--color-text);cursor:pointer;list-style:none;transition:background .15s ease}.faq-question[data-astro-cid-fo35bkve]::-webkit-details-marker{display:none}.faq-question[data-astro-cid-fo35bkve]:after{content:"";width:10px;height:10px;border-right:2px solid var(--color-text-secondary);border-bottom:2px solid var(--color-text-secondary);transform:rotate(45deg);transition:transform .2s ease;flex-shrink:0;margin-left:1rem}.faq-item[data-astro-cid-fo35bkve][open] .faq-question[data-astro-cid-fo35bkve]:after{transform:rotate(-135deg)}.faq-question[data-astro-cid-fo35bkve]:hover{background:var(--color-bg-secondary)}.faq-answer[data-astro-cid-fo35bkve]{padding:1rem 1.25rem 1.25rem;margin:0;line-height:1.7;color:var(--color-text);border-top:1px solid var(--color-border)}@media (max-width: 768px){.section-header[data-astro-cid-fo35bkve]{flex-direction:column;align-items:flex-start}.sort-controls[data-astro-cid-fo35bkve]{width:100%;justify-content:flex-start}.sort-btn[data-astro-cid-fo35bkve]{padding:.3rem .6rem;font-size:.75rem}}@media (max-width: 600px){.alphabet-grid[data-astro-cid-fo35bkve]{grid-template-columns:repeat(4,1fr);gap:.5rem}.alphabet-grid--numbers[data-astro-cid-fo35bkve]{grid-template-columns:repeat(5,1fr)}.alphabet-card[data-astro-cid-fo35bkve]{padding:.625rem .375rem}.alphabet-card__char[data-astro-cid-fo35bkve]{font-size:1.375rem}.morse-dot[data-astro-cid-fo35bkve]{width:6px;height:6px}.morse-dash[data-astro-cid-fo35bkve]{width:14px;height:6px}.alphabet-card__morse[data-astro-cid-fo35bkve]{gap:2px}}