.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background-color:var(--bg-surface);border-right:1px solid var(--border);padding:1rem var(--spacing-lg);display:flex;flex-direction:column;z-index:1000;overflow-y:auto}.sidebar-logo{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border)}.sidebar-logo img{width:40px;height:40px}.sidebar-logo-text{font-size:1.35rem;font-weight:700;background:linear-gradient(135deg,var(--primary) 0,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-menu{list-style:none;display:flex;flex-direction:column;gap:2px}.nav-item{position:relative}.nav-link{display:block;padding:.5rem var(--spacing-md);color:var(--text-secondary);border-radius:6px;transition:all var(--transition-fast);font-weight:500;position:relative;font-size:.95rem}.nav-link:hover{background-color:var(--bg-dark);color:var(--primary);padding-left:calc(var(--spacing-md) + 4px)}.nav-link.active{background-color:var(--bg-dark);color:var(--accent);border-left:3px solid var(--accent);padding-left:calc(var(--spacing-md) + 4px)}.nav-link.active::before{content:'';position:absolute;right:var(--spacing-md);top:50%;transform:translateY(-50%);width:6px;height:6px;background-color:var(--accent);border-radius:50%}.sidebar-footer{margin-top:auto;padding-top:var(--spacing-sm);border-top:1px solid var(--border)}.sidebar-footer-links{display:flex;gap:var(--spacing-sm);justify-content:center;margin-bottom:.35rem}.sidebar-footer-link{color:var(--text-muted);font-size:1.1rem;transition:color var(--transition-fast)}.sidebar-footer-link:hover{color:var(--primary)}.sidebar-footer-text{text-align:center;font-size:.7rem;color:var(--text-muted)}.menu-toggle{display:none;position:fixed;top:var(--spacing-md);right:var(--spacing-md);z-index:1001;background-color:var(--bg-surface);border:1px solid var(--border);border-radius:6px;padding:var(--spacing-sm);cursor:pointer;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:4px}.menu-toggle span{display:block;width:24px;height:2px;background-color:var(--primary);transition:all var(--transition-normal);border-radius:2px}.menu-toggle.active span:first-child{transform:rotate(45deg) translate(5px,5px)}.menu-toggle.active span:nth-child(2){opacity:0}.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);z-index:999;opacity:0;pointer-events:none;transition:opacity var(--transition-normal)}.sidebar-overlay.active{opacity:1;pointer-events:auto}