:root{--color-bg: #f7f7f5;--color-surface: #ffffff;--color-border: #e5e4e1;--color-text: #141413;--color-text-muted: #6b6a67;--color-primary: #2f6f4f;--color-primary-fg: #ffffff;--color-danger: #b3261e;--color-danger-bg: #fdecea;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--shadow-sm: 0 1px 2px rgba(20, 20, 19, .06);--shadow-md: 0 2px 8px rgba(20, 20, 19, .08);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--sidebar-width: 220px;--header-height: 56px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--color-primary)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.app-shell{display:flex;min-height:100vh}.app-sidebar{display:flex;flex-direction:column;width:var(--sidebar-width);flex-shrink:0;background:var(--color-surface);border-right:1px solid var(--color-border);padding:var(--space-lg) var(--space-md);position:sticky;top:0;height:100vh}.app-mobile-header{display:none}.app-content{flex:1;min-width:0}@media (max-width: 768px){.app-sidebar{display:none}.app-mobile-header{display:flex}.app-shell{flex-direction:column}}@media (max-width: 480px){.screen-main{padding:var(--space-md)!important}}