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var(--brand-blue);outline-offset:2px;border-radius:2px}.sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:500;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn var(--duration-normal) var(--ease-out)}.sheet-container{width:100%;max-width:560px;max-height:85vh;background:var(--bg-surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0;position:relative;display:flex;flex-direction:column;animation:slideUp var(--duration-normal) var(--ease-out)}.sheet-handle{width:40px;height:4px;background:var(--border-strong);border-radius:2px;margin:12px auto 8px;cursor:pointer;flex-shrink:0}.sheet-close{position:absolute;top:12px;right:16px;background:var(--bg-overlay);border:none;color:var(--text-secondary);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1;transition:all var(--duration-fast) 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