.flashcard-container{width:100%;max-width:480px;perspective:1000px;margin:0 auto}.flashcard{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;padding:48px 32px;text-align:center;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .2s ease}.flashcard:hover{transform:translateY(-2px);box-shadow:0 6px 24px #0000001f}.flashcard-word{font-size:3.5rem;font-weight:700;color:var(--color-text, #1f2937);margin:0;line-height:1.2;letter-spacing:-.02em}.rating-buttons{display:flex;gap:16px;margin-top:32px;width:100%;max-width:480px}.rating-btn{flex:1;padding:16px 24px;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s ease;font-family:inherit}.rating-btn:disabled{opacity:.5;cursor:not-allowed}.rating-btn.good{background:var(--color-success, #22c55e);color:#fff}.rating-btn.good:hover:not(:disabled){background:#16a34a;transform:translateY(-2px)}.rating-btn.needs-practice{background:var(--color-warning, #f59e0b);color:#fff}.rating-btn.needs-practice:hover:not(:disabled){background:#d97706;transform:translateY(-2px)}.progress-counter{margin-top:24px;font-size:.875rem;color:var(--color-text-muted, #374151);text-align:center}.flashcard.flip-good{background:#dcfce7;box-shadow:0 4px 20px #22c55e26}.flashcard.flip-struggle{background:#fef3c7;box-shadow:0 4px 20px #f59e0b26}@media(max-width:768px){.flashcard{padding:36px 24px}}@media(max-width:480px){.flashcard-word{font-size:2.5rem}.flashcard{padding:28px 16px;min-height:160px}.rating-buttons{flex-direction:column}.rating-btn{width:100%}}[data-theme=dark] .flashcard{background:var(--color-bg-card, #1e1e1e);box-shadow:0 4px 20px #0000004d}[data-theme=dark] .flashcard:hover{box-shadow:0 6px 24px #0006}[data-theme=dark] .flashcard-word{color:var(--color-text, #e5e5e5)}[data-theme=dark] .flashcard.flip-good{background:var(--color-success-light, #1a2e28)}[data-theme=dark] .flashcard.flip-struggle{background:var(--color-warning-light, #2e2510)}[data-a11y=high-contrast] .rating-btn.good{background:var(--color-success, #2563eb)}[data-a11y=high-contrast] .rating-btn.good:hover:not(:disabled){background:#1d4ed8}[data-a11y=high-contrast] .flashcard.flip-good{background:#dbeafe;box-shadow:0 4px 20px #2563eb26}[data-theme=dark][data-a11y=high-contrast] .flashcard.flip-good{background:#1e3a5f;box-shadow:0 4px 20px #3b82f633}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}