:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--border-color: #e2e8f0;--border-hover: #cbd5e1;--shadow-sm: 0 1px 3px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.05), 0 2px 4px -1px rgba(0,0,0,.03);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.04), 0 4px 6px -4px rgba(0,0,0,.02);--shadow-focus: 0 0 0 3px rgba(59, 130, 246, .15);--shadow-weightless-sm: 0 4px 6px -1px rgba(15, 23, 42, .03), 0 2px 4px -2px rgba(15, 23, 42, .02);--shadow-weightless-md: 0 10px 15px -3px rgba(15, 23, 42, .04), 0 4px 6px -4px rgba(15, 23, 42, .03), 0 20px 25px -5px rgba(15, 23, 42, .03);--shadow-weightless-lg: 0 20px 25px -5px rgba(15, 23, 42, .04), 0 8px 10px -6px rgba(15, 23, 42, .03), 0 25px 50px -12px rgba(15, 23, 42, .05), 0 30px 60px -15px rgba(15, 23, 42, .05);--transition-weightless: transform .4s cubic-bezier(.16, 1, .3, 1), box-shadow .4s cubic-bezier(.16, 1, .3, 1), border-color .3s ease;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-onedrive: #0078d4;--color-onedrive-light: #e6f2fc;--color-google: #34a853;--color-google-light: #eaf6ec;--color-dropbox: #0061fe;--color-dropbox-light: #e6f0ff;--color-icloud: #0284c7;--color-icloud-light: #e0f2fe;--color-sharepoint: #008272;--color-sharepoint-light: #e6f6f4;--color-teams: #6264a7;--color-teams-light: #f0f0f7;--color-zoom: #2d8cff;--color-zoom-light: #eaf3ff;--color-outlook: #0072c6;--color-outlook-light: #e6f1fa;--color-general: #475569;--color-general-light: #f1f5f9}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica 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