:root{--color-bg: #fafafa;--color-surface: #ffffff;--color-surface-hover: #f8fafc;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-secondary:#64748b;--color-primary: #4f46e5;--color-primary-light: #818cf8;--color-primary-bg: #eef2ff;--color-success: #059669;--color-success-bg: #ecfdf5;--color-danger: #dc2626;--color-danger-bg: #fef2f2;--sidebar-width: 260px;--sidebar-collapsed: 72px;--sidebar-bg: #0f172a;--sidebar-text: #94a3b8;--sidebar-active: var(--color-primary);--sidebar-hover-bg: #1e293b;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.03);--t: .2s ease;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px}.dark{--color-bg: #0b1120;--color-surface: #1e293b;--color-surface-hover: #2d3748;--color-border: #334155;--color-text: #e2e8f0;--color-text-secondary:#94a3b8;--color-success-bg: #064e3b;--color-danger-bg: 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var(--color-border);border-radius:var(--radius-sm);margin-bottom:8px}.mobile-menu-btn{display:none;position:fixed;top:12px;left:12px;z-index:50;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--sidebar-bg);color:#fff;border:none;font-size:18px;cursor:pointer;align-items:center;justify-content:center;box-shadow:var(--shadow-md)}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:35}@media(max-width:768px){.mobile-menu-btn{display:flex}.sidebar-overlay.open{display:block}.sidebar{transform:translate(-100%);width:var(--sidebar-width)}.sidebar.mobile-open{transform:translate(0)}.sidebar.collapsed{width:var(--sidebar-width)}.sidebar.collapsed .nav-label,.sidebar.collapsed .footer-label,.sidebar.collapsed .brand span,.sidebar.collapsed .nav-section{display:revert;opacity:1;height:auto;padding:revert}.sidebar.collapsed .nav-item{justify-content:flex-start;padding:11px 20px}.sidebar.collapsed 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