*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1677ff;--primary-hover: #4096ff;--success: #52c41a;--warning: #faad14;--error: #ff4d4f;--bg: #f5f5f5;--bg-white: #ffffff;--text: #262626;--text-secondary: #8c8c8c;--border: #d9d9d9;--radius: 8px}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji";font-size:16px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}a{color:var(--primary);text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 16px}@media (max-width: 768px){.container{padding:0 12px}}.dicom-viewport{width:100%;height:100%;min-height:400px;background:#000;border-radius:var(--radius);overflow:hidden;position:relative}.dicom-overlay{position:absolute;top:8px;left:8px;color:#ffffffe6;font-size:13px;background:#00000080;padding:4px 8px;border-radius:4px;pointer-events:none;z-index:10}.dicom-overlay-right{position:absolute;top:8px;right:8px;color:#ffffffd9;font-size:13px;background:#00000080;padding:4px 8px;border-radius:4px;pointer-events:none;z-index:10}.dicom-toolbar{display:flex;gap:8px;padding:8px;background:#000000b3;border-radius:var(--radius);flex-wrap:wrap}.dicom-toolbar button{padding:6px 14px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:4px;cursor:pointer;font-size:13px;transition:all .2s;white-space:nowrap}.dicom-toolbar button:hover{background:#ffffff26}.dicom-toolbar button.active{background:var(--primary);border-color:var(--primary)}.mobile-slider-container{width:100%;padding:8px 16px;background:#000000b3}.mobile-slider-container input[type=range]{width:100%;height:6px;-webkit-appearance:none;appearance:none;background:#ffffff4d;border-radius:3px;outline:none}.mobile-slider-container input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;background:var(--primary);border-radius:50%;cursor:pointer}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-track{background:transparent}@keyframes spin{to{transform:rotate(360deg)}}