.flashcards-page.svelte-3pf8ly{flex-direction:column;gap:20px;display:flex}.page-top.svelte-3pf8ly{border-radius:var(--border-radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);background:#fff;padding:24px}.mode-badge.svelte-3pf8ly{color:#4f46e5;background:#eef2ff;border-radius:9999px;margin-bottom:8px;padding:4px 12px;font-size:.8rem;font-weight:700;display:inline-block}.page-title.svelte-3pf8ly{color:#0f172a;margin-bottom:6px;font-size:1.6rem;font-weight:800}.page-desc.svelte-3pf8ly{color:var(--text-muted);max-width:900px;font-size:.95rem;line-height:1.6}.filters-bar.svelte-3pf8ly{border-top:1px solid var(--border-color);flex-wrap:wrap;align-items:center;gap:16px;margin-top:18px;padding-top:18px;display:flex}.filter-group.svelte-3pf8ly{color:var(--text-main);align-items:center;gap:8px;font-size:.88rem;font-weight:600;display:flex}.filter-group.svelte-3pf8ly select:where(.svelte-3pf8ly){border-radius:var(--border-radius-sm);border:1px solid var(--border-color);cursor:pointer;background:#fff;outline:none;padding:7px 12px;font-size:.88rem}.filter-group.svelte-3pf8ly select:where(.svelte-3pf8ly):focus{border-color:var(--primary)}.action-buttons.svelte-3pf8ly{gap:8px;margin-left:auto;display:flex}.btn-tool.svelte-3pf8ly{border-radius:var(--border-radius-sm);border:1px solid var(--border-color);color:var(--text-main);background:#fff;padding:7px 14px;font-size:.85rem;font-weight:600;transition:all .15s}.btn-tool.svelte-3pf8ly:hover{background:var(--bg-surface)}.btn-tool.active.svelte-3pf8ly{background:var(--primary-light);color:var(--primary-hover);border-color:var(--primary-border)}.progress-wrap.svelte-3pf8ly{width:100%;max-width:680px;margin:0 auto}.progress-info.svelte-3pf8ly{color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.85rem;display:flex}.card-counter.svelte-3pf8ly strong:where(.svelte-3pf8ly){color:var(--text-main);font-size:1rem}.keyboard-tip.svelte-3pf8ly{color:var(--text-sub);font-size:.78rem}.progress-track.svelte-3pf8ly{background:#e2e8f0;border-radius:9999px;width:100%;height:8px;overflow:hidden}.progress-fill.svelte-3pf8ly{background:linear-gradient(90deg,#10b981,#059669);height:100%;transition:width .3s}.card-area.svelte-3pf8ly{flex-direction:column;align-items:center;gap:20px;display:flex}.card-container.svelte-3pf8ly{width:100%;max-width:680px;height:480px}.flashcard.svelte-3pf8ly{height:100%;min-height:480px}.card-face.svelte-3pf8ly{height:100%;overflow-y:auto}.card-header.svelte-3pf8ly{border-bottom:1px dashed #e2e8f0;justify-content:space-between;align-items:center;padding-bottom:12px;display:flex}.card-category.svelte-3pf8ly{align-items:center;gap:8px;display:flex}.flip-hint.svelte-3pf8ly{color:var(--text-sub);font-size:.8rem;font-weight:500}.audio-controls.svelte-3pf8ly{gap:6px;display:flex}.btn-audio-pill.svelte-3pf8ly{background:var(--primary-light);color:var(--primary-hover);border:1px solid var(--primary-border);border-radius:9999px;padding:4px 10px;font-size:.78rem;font-weight:700;transition:all .15s}.btn-audio-pill.svelte-3pf8ly:hover{background:var(--primary);color:#fff}.btn-audio-pill.slow.svelte-3pf8ly{color:#92400e;background:#fef3c7;border-color:#fde68a}.btn-audio-pill.slow.svelte-3pf8ly:hover{color:#fff;background:#f59e0b}.front-vietnamese.svelte-3pf8ly{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:30px 10px;display:flex}.label-side.svelte-3pf8ly{color:var(--text-sub);letter-spacing:.08em;margin-bottom:12px;font-size:.75rem;font-weight:800}.meaning-large.svelte-3pf8ly{color:#0f172a;margin-bottom:16px;font-family:Lexend,sans-serif;font-size:2.2rem;font-weight:800;line-height:1.3}.syllables-hint.svelte-3pf8ly{background:var(--bg-surface);color:var(--text-muted);border-radius:9999px;margin-bottom:12px;padding:6px 14px;font-size:.85rem;font-weight:600}.prompt-text.svelte-3pf8ly{color:var(--text-sub);font-size:.9rem;font-style:italic}.back-english.svelte-3pf8ly{flex-direction:column;flex:1;gap:12px;padding:10px 0;display:flex}.term-ipa-block.svelte-3pf8ly{flex-wrap:wrap;align-items:baseline;gap:12px;display:flex}.term-title.svelte-3pf8ly{color:#047857;font-family:Lexend,sans-serif;font-size:1.9rem;font-weight:800}.ipa-pill.svelte-3pf8ly{color:#334155;background:#f1f5f9;border-radius:6px;padding:3px 10px;font-family:monospace;font-size:1.05rem;font-weight:700}.syllables-pill.svelte-3pf8ly{color:#0369a1;background:#e0f2fe;border-radius:6px;padding:3px 10px;font-size:.8rem;font-weight:600}.vietnamese-def.svelte-3pf8ly{color:#1e293b;border-radius:var(--border-radius-sm);border-left:4px solid var(--primary);background:#f8fafc;padding:8px 12px;font-size:1.05rem}.def-label.svelte-3pf8ly{color:var(--text-muted);margin-right:6px;font-size:.85rem;font-weight:700}.def-text.svelte-3pf8ly{color:#0f172a;font-weight:700}.phonics-breakdown-box.svelte-3pf8ly{border-radius:var(--border-radius-md);background:#fff;border:1px solid #cbd5e1;flex-direction:column;gap:10px;padding:12px;display:flex}.phonics-row.svelte-3pf8ly{grid-template-columns:1fr 1px 1fr;gap:12px;display:grid}.phonics-row-divider.svelte-3pf8ly{background:#e2e8f0}.phonics-tag.svelte-3pf8ly{text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px;font-size:.78rem;font-weight:800;display:block}.tag-vowel.svelte-3pf8ly{color:#b45309}.tag-consonant.svelte-3pf8ly{color:#1d4ed8}.phonics-desc.svelte-3pf8ly{color:#334155;font-size:.82rem;line-height:1.45}.phonics-note.svelte-3pf8ly{border-radius:var(--border-radius-sm);color:#6b21a8;background:#faf5ff;border-top:1px dashed #e9d5ff;align-items:center;gap:6px;padding:8px 10px;font-size:.8rem;display:flex}.example-box.svelte-3pf8ly{border-radius:var(--border-radius-md);background:#f0fdf4;border:1px solid #bbf7d0;padding:10px 14px}.example-header.svelte-3pf8ly{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.example-title.svelte-3pf8ly{color:#166534;text-transform:uppercase;font-size:.78rem;font-weight:800}.btn-speak-example.svelte-3pf8ly{color:#15803d;background:#dcfce7;border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:700}.btn-speak-example.svelte-3pf8ly:hover{background:#bbf7d0}.example-en.svelte-3pf8ly{color:#14532d;font-size:.92rem;font-style:italic;font-weight:600}.example-vi.svelte-3pf8ly{color:#166534;margin-top:2px;font-size:.82rem}.card-footer.svelte-3pf8ly{text-align:center;border-top:1px dashed #e2e8f0;padding-top:10px}.footer-hint.svelte-3pf8ly{color:var(--text-sub);font-size:.78rem}.deck-controls.svelte-3pf8ly{justify-content:space-between;align-items:center;gap:12px;width:100%;max-width:680px;display:flex}.btn-nav.svelte-3pf8ly{border:1px solid var(--border-color);border-radius:var(--border-radius-md);color:var(--text-main);background:#fff;padding:10px 18px;font-size:.9rem;font-weight:700;transition:all .15s}.btn-nav.svelte-3pf8ly:hover:not(:disabled){background:var(--bg-surface)}.btn-nav.svelte-3pf8ly:disabled{opacity:.4;cursor:not-allowed}.mastery-actions.svelte-3pf8ly{gap:10px;display:flex}.btn-action.svelte-3pf8ly{border-radius:var(--border-radius-md);align-items:center;gap:6px;padding:10px 18px;font-size:.88rem;font-weight:700;transition:all .15s;display:inline-flex}.btn-action.review.svelte-3pf8ly{color:#b91c1c;background:#fee2e2;border:1px solid #fca5a5}.btn-action.review.svelte-3pf8ly:hover{background:#fecaca}.btn-action.flip-main.svelte-3pf8ly{color:var(--text-main);border:1px solid var(--border-color);background:#fff}.btn-action.flip-main.svelte-3pf8ly:hover{background:var(--bg-surface)}.btn-action.mastered.svelte-3pf8ly{color:#047857;background:#d1fae5;border:1px solid #6ee7b7}.btn-action.mastered.svelte-3pf8ly:hover{background:#a7f3d0}.empty-state.svelte-3pf8ly{text-align:center;border-radius:var(--border-radius-lg);border:1px solid var(--border-color);background:#fff;max-width:500px;margin:40px auto;padding:48px}.empty-icon.svelte-3pf8ly{margin-bottom:12px;font-size:48px}@media (width<=680px){.phonics-row.svelte-3pf8ly{grid-template-columns:1fr}.phonics-row-divider.svelte-3pf8ly{display:none}.deck-controls.svelte-3pf8ly{flex-direction:column}.mastery-actions.svelte-3pf8ly{justify-content:center;width:100%}}