.bit-cap{--bit-cap-radius:8px;--bit-cap-border:#e5e7eb;--bit-cap-bg:#fff;--bit-cap-fg:#1f2937;--bit-cap-accent:#2563eb;--bit-cap-success:#16a34a;--bit-cap-error:#dc2626;--bit-cap-muted:#6b7280;border:1px solid var(--bit-cap-border);border-radius:var(--bit-cap-radius);background:var(--bit-cap-bg);color:var(--bit-cap-fg);box-sizing:border-box;width:100%;max-width:360px;padding:12px;font:14px/1.4 system-ui,-apple-system,sans-serif}.bit-cap__header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.bit-cap__title{font-weight:500}.bit-cap__refresh{cursor:pointer;color:var(--bit-cap-muted);background:0 0;border:none;font-size:16px}.bit-cap__refresh:disabled{opacity:.4;cursor:not-allowed}.bit-cap__loading{color:var(--bit-cap-muted);text-align:center;padding:24px 0}.bit-cap__body{margin-top:8px}.bit-cap__success{color:var(--bit-cap-success);text-align:center;padding:16px 0;font-weight:500}.bit-cap__error{color:var(--bit-cap-error);margin-top:8px;font-size:12px}.bit-cap__retry{color:var(--bit-cap-accent);cursor:pointer;background:0 0;border:none;text-decoration:underline}@keyframes bit-cap-shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-8px)}20%,40%,60%,80%{transform:translate(8px)}}.bit-cap--shake{border-color:var(--bit-cap-error);animation:.5s cubic-bezier(.36,.07,.19,.97) both bit-cap-shake}@media (prefers-reduced-motion:reduce){.bit-cap--shake{animation:none}}.bit-cap__footer{border-top:1px solid var(--bit-cap-border);justify-content:flex-start;margin-top:10px;padding-top:8px;display:flex}.bit-cap__powered{color:var(--bit-cap-muted);letter-spacing:.02em;font-size:11px}.bit-cap__powered strong{color:var(--bit-cap-accent);font-weight:600}.bit-cap-slide__canvas{border:1px solid var(--bit-cap-border);background:#f3f4f6;border-radius:6px;width:100%;position:relative;overflow:hidden}.bit-cap-slide__bg,.bit-cap-slide__bg-placeholder{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;object-fit:cover;width:100%;height:100%;display:block}.bit-cap-slide__bg-placeholder{background:linear-gradient(135deg,#e5e7eb,#d1d5db)}.bit-cap-slide__piece{pointer-events:none;filter:drop-shadow(0 2px 4px #0000004d);-webkit-user-select:none;user-select:none;-webkit-user-drag:none;touch-action:none;transition:filter .15s;position:absolute}.bit-cap-slide__piece--draggable{pointer-events:auto;cursor:grab}.bit-cap-slide__piece--draggable:active{cursor:grabbing;filter:drop-shadow(0 4px 8px #0006)}.bit-cap-slide__track{border:1px solid var(--bit-cap-border);background:#f3f4f6;border-radius:18px;height:36px;margin-top:8px;position:relative}.bit-cap-slide__track-fill{background:#2563eb26;border-radius:18px;height:100%;position:absolute}.bit-cap-slide__handle{border:1px solid var(--bit-cap-border);cursor:grab;touch-action:none;width:32px;height:32px;color:var(--bit-cap-fg);background:#fff;border-radius:50%;font-weight:600;position:absolute;top:2px}.bit-cap-slide__handle:active{cursor:grabbing}.bit-cap-slide__handle:disabled{cursor:not-allowed}.bit-cap-slide__hint{color:var(--bit-cap-muted);text-align:center;margin-top:6px;font-size:12px}.bit-cap-rotate__canvas{border:1px solid var(--bit-cap-border);background:#f3f4f6;border-radius:50%;margin:0 auto;overflow:hidden}.bit-cap-rotate__img,.bit-cap-rotate__placeholder{-webkit-user-select:none;user-select:none;transition:transform 50ms linear}.bit-cap-rotate__placeholder{background:linear-gradient(45deg,#93c5fd,#60a5fa);width:100%;height:100%}.bit-cap-rotate__track{margin-top:12px}.bit-cap-rotate__slider{width:100%}.bit-cap-rotate__hint{color:var(--bit-cap-muted);text-align:center;margin-top:6px;font-size:12px}.bit-cap-math__question{text-align:center;margin:12px 0;font-family:ui-monospace,monospace;font-size:18px;font-weight:600}.bit-cap-math__row{gap:8px;display:flex}.bit-cap-math__input{border:1px solid var(--bit-cap-border);font:inherit;border-radius:6px;flex:1;padding:8px 10px}.bit-cap-math__submit{background:var(--bit-cap-accent);color:#fff;cursor:pointer;font:inherit;border:none;border-radius:6px;padding:8px 16px;font-weight:500}.bit-cap-math__submit:disabled{background:var(--bit-cap-muted);cursor:not-allowed}.bit-cap-modal__backdrop{z-index:9999;background:#00000080;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.bit-cap-modal__panel{background:#fff;border-radius:12px;width:100%;max-width:400px;padding:16px;position:relative;box-shadow:0 10px 40px #0003}.bit-cap-modal__close{cursor:pointer;color:#6b7280;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:22px;display:flex;position:absolute;top:8px;right:8px}.bit-cap-modal__close:hover{background:#f3f4f6}