.fc-app{max-width:720px;margin:0 auto;padding:clamp(1rem,3vh,2rem) 24px 48px;display:flex;flex-direction:column;align-items:center;gap:28px;font-family:PPNeueMontreal-Book,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#4a4a4a;user-select:none;-webkit-user-select:none}.fc-home{width:100%;max-width:560px;font-size:1rem;letter-spacing:.025rem;text-decoration:underline;color:#191919;transition:opacity .15s ease}@media (min-width: 48rem){.fc-home{font-size:1.125rem}}.fc-home:hover{opacity:.7}.fc-home:focus-visible{outline:2px solid currentColor;outline-offset:2px}.fc-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:560px;flex-wrap:wrap}.fc-deck{position:relative;display:inline-flex;align-items:center;min-height:44px}.fc-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;border:0;background:transparent;margin:0;padding:10px 24px 10px 0;font-family:inherit;font-size:.95rem;letter-spacing:.04em;color:#4a4a4a;field-sizing:content;cursor:pointer}.fc-select:focus-visible{outline:none}.fc-chevron{position:absolute;right:6px;top:50%;transform:translateY(-50%);color:#4a4a4a;pointer-events:none}.fc-counter{font-size:.95rem;letter-spacing:.04em;text-transform:none}.fc-counter-wrap{display:inline-flex;align-items:center;gap:6px;color:#4a4a4a}button.fc-counter-wrap{-moz-appearance:none;appearance:none;-webkit-appearance:none;background:transparent;border:0;padding:0;margin:0;font:inherit;cursor:pointer}button.fc-counter-wrap:focus-visible{outline:1px solid currentColor;outline-offset:2px;border-radius:2px}button.fc-counter-wrap svg{margin-top:2px}.card-stage{width:100%;max-width:560px;aspect-ratio:3 / 2;perspective:1400px;cursor:pointer;-webkit-user-select:none;user-select:none;padding:12px;box-sizing:border-box;background:linear-gradient(135deg,#e8e9eb,#c5c7c9 45%,#d8dadc 55%,#b8bbbe);border-radius:3px;box-shadow:inset 0 0 0 1px #fff9,inset 0 0 0 2px #8b8e91,inset 0 2px 6px #0000001f,0 1px #fffc,0 2px 4px #00000014}.card-inner{position:relative;width:100%;height:100%}.card-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:#fff;padding:36px 40px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;box-sizing:border-box}.card-back{transform:rotateY(180deg)}.card-label{position:absolute;top:14px;left:18px;font-size:.75rem;letter-spacing:.1em;color:#999;text-transform:uppercase}.card-text{font-size:1.5rem;line-height:1.4;white-space:pre-wrap;user-select:text;-webkit-user-select:text;cursor:text}.card-code{font-family:ui-monospace,SF Mono,Menlo,Monaco,Consolas,monospace;font-size:.85em;background:#ececea;padding:2px 6px;border-radius:3px;color:#2a2a2a;white-space:pre-wrap}.fc-controls{display:flex;width:100%;max-width:560px;border:1px solid #a8aaad;background:linear-gradient(180deg,#f0f0f1,#d9dadc);box-shadow:inset 0 1px #ffffffe6,0 1px 2px #0000001f;border-radius:2px}.fc-controls button{font-family:inherit;font-size:.95rem;letter-spacing:.04em;padding:14px 0;border:0;background:linear-gradient(180deg,#fafafa,#e2e3e5);cursor:pointer;color:#2a2a2a;box-shadow:inset 0 1px #fffffff2,inset 0 -1px #0000000f;transition:background .1s ease,box-shadow .1s ease}.fc-controls button:not(:last-child){border-right:1px solid #a8aaad}.fc-controls button:first-child,.fc-controls button:last-child{flex:0 0 56px}.fc-controls button:nth-child(2){flex:1}.fc-controls button:hover:not(:disabled){background:linear-gradient(180deg,#fff,#ebeced)}.fc-controls button:active:not(:disabled){background:linear-gradient(180deg,#c8c9cb,#d4d5d7);box-shadow:inset 0 2px 4px #0000002e,inset 0 -1px #ffffff4d}.fc-controls button:disabled{opacity:.4;cursor:default}.fc-hint{font-size:.75rem;color:#888;letter-spacing:.04em}.fc-message{text-align:center;padding:80px 24px;font-family:PPNeueMontreal-Book,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#6b6b6b}@media (max-width: 720px){.fc-app{gap:20px}.card-text{font-size:1.15rem}.card-face{padding:28px 24px}}