.brr{display:flex;flex-direction:column;gap:20px}.brr__preview-wrap{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px;background:var(--color-bg-soft, rgba(0, 0, 0, .03));border:1px solid var(--color-border);border-radius:var(--radius-md)}.brr__preview-wrap{background-image:linear-gradient(45deg,var(--color-border) 25%,transparent 25%),linear-gradient(-45deg,var(--color-border) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--color-border) 75%),linear-gradient(-45deg,transparent 75%,var(--color-border) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0;background-color:var(--color-bg)}.brr__preview{transition:border-radius .15s ease,background .15s ease,width .15s ease,height .15s ease;box-shadow:0 4px 16px #0000001a}.brr__preview-controls{display:flex;align-items:center;gap:20px;padding:10px 16px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md)}.brr__preview-size,.brr__preview-bg{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text)}.brr__preview-size input{accent-color:var(--color-primary, #2b6cff)}.brr__preview-size output{min-width:48px;font-family:var(--font-mono);font-size:12px;color:var(--color-text-soft);text-align:right}.brr__preview-bg input[type=color]{width:32px;height:32px;padding:0;border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer;background:none}.brr__btn{padding:6px 14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);font-size:13px;cursor:pointer;transition:background var(--transition-fast, .15s),border-color var(--transition-fast, .15s)}.brr__btn:hover{border-color:var(--color-primary, #2b6cff)}.brr__btn--copy{font-size:13px}.brr__presets{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 16px;background:var(--color-bg-soft, rgba(0, 0, 0, .03));border:1px solid var(--color-border);border-radius:var(--radius-md)}.brr__presets-label{font-size:14px;font-weight:600;color:var(--color-text)}.brr__controls{display:flex;flex-wrap:wrap;gap:16px;padding:16px 18px;background:var(--color-bg-soft, rgba(0, 0, 0, .03));border:1px solid var(--color-border);border-radius:var(--radius-md)}.brr__control-group{display:flex;flex-direction:column;gap:8px}.brr__control-label{font-size:14px;font-weight:600;color:var(--color-text)}.brr__seg{display:inline-flex;width:fit-content;border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden}.brr__seg-btn{padding:6px 16px;border:none;background:var(--color-bg);color:var(--color-text);font-size:13px;cursor:pointer;transition:background var(--transition-fast, .15s)}.brr__seg-btn:not(:last-child){border-right:1px solid var(--color-border)}.brr__seg-btn.is-active{background:var(--color-primary, #2b6cff);color:#fff}.brr__sliders{display:flex;flex-direction:column;gap:12px;padding:16px 18px;background:var(--color-bg-soft, rgba(0, 0, 0, .03));border:1px solid var(--color-border);border-radius:var(--radius-md)}.brr__sliders--grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 24px}.brr__slider{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--color-text)}.brr__slider-label{min-width:80px;color:var(--color-text-soft)}.brr__slider input{flex:1;accent-color:var(--color-primary, #2b6cff)}.brr__slider-value{min-width:48px;font-family:var(--font-mono);font-size:12px;color:var(--color-text-soft);text-align:right}.brr__output{padding:16px;background:var(--color-bg-soft, rgba(0, 0, 0, .03));border:1px solid var(--color-border);border-radius:var(--radius-md)}.brr__output-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.brr__output-label{font-size:14px;font-weight:600;color:var(--color-text)}.brr__code{margin:0;padding:12px 14px;background:var(--color-bg);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:14px;color:var(--color-text);white-space:pre-wrap;word-break:break-all;line-height:1.5}@media(prefers-color-scheme:dark){.brr__preview-wrap{--color-border: rgba(255, 255, 255, .1)}.brr__preview-controls,.brr__code{background:#ffffff0a}.brr__seg-btn{background:#ffffff0f}}@media(max-width:768px){.brr__preview-wrap{padding:16px}.brr__preview-controls{flex-wrap:wrap;gap:12px}.brr__controls{flex-direction:column}.brr__sliders--grid{grid-template-columns:1fr}}@media(max-width:414px){.brr__presets{flex-direction:column;align-items:stretch}.brr__presets-label{text-align:center}.brr__slider{flex-wrap:wrap}.brr__slider-label{min-width:70px;font-size:12px}.brr__seg-btn{padding:6px 10px;font-size:12px}}