.review-page.svelte-12rnfmi{min-height:90vh;display:flex;flex-direction:column;align-items:center;padding-top:2rem}.review-header.svelte-12rnfmi{width:100%;max-width:600px;display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem}.back-link.svelte-12rnfmi{color:var(--text-secondary);text-decoration:none;font-size:.9rem}.session-progress.svelte-12rnfmi{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem;flex:1;max-width:200px}.progress-track.svelte-12rnfmi{width:100%;height:4px;background:var(--overlay-base);border-radius:2px;overflow:hidden}.progress-fill.svelte-12rnfmi{height:100%;background:var(--color-review);transition:width .3s ease}.review-container.svelte-12rnfmi{width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;perspective:1000px}.card-wrapper.svelte-12rnfmi{width:100%;max-width:450px;height:600px;perspective:1500px;position:relative}@media(max-width:500px){.card-wrapper.svelte-12rnfmi{height:500px;width:95vw}}.card-inner.svelte-12rnfmi{position:relative;width:100%;height:100%;transition:transform .8s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d}.card-wrapper.is-flipped.svelte-12rnfmi .card-inner:where(.svelte-12rnfmi){transform:rotateY(180deg)}.card.svelte-12rnfmi{position:absolute;inset:0;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;display:flex;align-items:center;justify-content:center;border-radius:28px;border:1px solid var(--border-glass);background:var(--bg-glass)!important;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;padding:0;font-family:inherit;box-shadow:var(--shadow-md);transform:translateZ(0)}.card-front.svelte-12rnfmi{z-index:2}.card-back.svelte-12rnfmi{transform:rotateY(180deg) translateZ(0)}.card-content.svelte-12rnfmi{text-align:center;padding:2rem}.hanzi-big.svelte-12rnfmi{font-size:8rem;font-family:var(--font-zh);color:var(--text-primary);display:block;margin-bottom:1rem}@media(max-width:500px){.hanzi-big.svelte-12rnfmi{font-size:5rem}}.card-header-mini.svelte-12rnfmi{display:flex;justify-content:space-between;align-items:center;width:100%;position:absolute;top:1.5rem;left:0;padding:0 2rem}.hanzi-mini.svelte-12rnfmi{font-size:1.5rem;font-family:var(--font-zh);color:var(--text-secondary)}.hsk-badge-mini.svelte-12rnfmi{font-size:.7rem;padding:4px 8px;background:var(--overlay-base);border-radius:6px;color:var(--text-secondary)}.main-info.svelte-12rnfmi{margin:2rem 0}.pinyin-display.svelte-12rnfmi{font-size:2.5rem;color:var(--color-review);margin-bottom:1rem;font-weight:700;letter-spacing:1px}.definition-display.svelte-12rnfmi{font-size:1.4rem;color:var(--text-primary);line-height:1.4;max-width:300px;margin:0 auto}@media(max-width:500px){.pinyin-display.svelte-12rnfmi{font-size:1.8rem}.definition-display.svelte-12rnfmi{font-size:1.15rem}}.radicals-section.svelte-12rnfmi{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-glass-subtle)}.section-label.svelte-12rnfmi{display:block;font-size:.65rem;text-transform:uppercase;color:var(--text-secondary);margin-bottom:.75rem;letter-spacing:2px}.radicals-list.svelte-12rnfmi{display:flex;gap:.75rem;color:#fff;justify-content:center}.radical-item.svelte-12rnfmi{font-size:1.5rem;font-family:var(--font-zh);opacity:.8}.card-footer-stats.svelte-12rnfmi{position:absolute;bottom:1.5rem;width:100%;left:0;display:flex;justify-content:center;gap:2rem;font-size:.7rem;color:var(--text-secondary);opacity:.6}.hint.svelte-12rnfmi{color:var(--text-secondary);font-size:.9rem;opacity:.6}.review-controls.svelte-12rnfmi{margin-top:3rem;width:100%;max-width:600px;display:flex;justify-content:center}.show-answer-btn.svelte-12rnfmi{color:var(--text-primary);width:100%;max-width:400px;padding:1.5rem;font-size:1.25rem;font-weight:600;cursor:pointer;transition:all .2s}.grade-btns.svelte-12rnfmi{display:flex;gap:1rem}@media(max-width:500px){.grade-btns.svelte-12rnfmi{display:grid;grid-template-columns:1fr 1fr;width:100%}}.grade-btn.svelte-12rnfmi{color:var(--text-primary);display:flex;flex-direction:column;align-items:center;padding:1rem;border-radius:12px;border:1px solid var(--border-glass-subtle);background:var(--bg-glass-subtle);cursor:pointer;transition:all .2s;min-width:100px;flex:1}.grade-btn.svelte-12rnfmi .label:where(.svelte-12rnfmi){font-weight:600;margin-bottom:4px}.grade-btn.svelte-12rnfmi .key:where(.svelte-12rnfmi){font-size:.7rem;opacity:.5}.again.svelte-12rnfmi:hover{background:#ef44441a;color:#ef4444;border-color:#ef4444}.hard.svelte-12rnfmi:hover{background:#fbbf241a;color:#fbbf24;border-color:#fbbf24}.good.svelte-12rnfmi:hover{background:#22c55e1a;color:#22c55e;border-color:#22c55e}.easy.svelte-12rnfmi:hover{background:#3b82f61a;color:#3b82f6;border-color:#3b82f6}.finish-state.svelte-12rnfmi,.empty-state.svelte-12rnfmi{padding:4rem;text-align:center;max-width:500px}.success-icon.svelte-12rnfmi{font-size:4rem;margin-bottom:1rem}.btn-primary.svelte-12rnfmi{display:inline-block;margin-top:2rem;padding:1rem 2rem;background:var(--color-review);color:#fff;text-decoration:none;border-radius:12px;font-weight:600}