:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--primary-color: #3b82f6;--primary-hover: #2563eb;--accent-color: #8b5cf6;--success-color: #22c55e;--warning-color: #f59e0b;--danger-color: #ef4444;--border-color: #e2e8f0;--priority-low: #22c55e;--priority-medium: #f59e0b;--priority-high: #ef4444;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--font-sans: "Inter", system-ui, -apple-system, sans-serif}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--primary-color: #60a5fa;--primary-hover: #3b82f6;--border-color: #334155;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .5)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;transition:background-color .3s ease,color .3s ease}button{font-family:inherit;cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.btn{padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;transition:all .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.mobile-menu-btn,.sidebar-overlay{display:none}@media(max-width:768px){.mobile-menu-btn{display:flex;position:fixed;top:1rem;left:1rem;z-index:40;padding:.5rem;background-color:var(--bg-secondary);border-radius:var(--radius-md);box-shadow:var(--shadow-md);color:var(--text-primary)}.sidebar{transform:translate(-100%);transition:transform .3s ease-in-out;z-index:50}.sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block;position:fixed;inset:0;background-color:#00000080;z-index:45}}