.sidebar{position:fixed;left:0;top:0;width:85px;height:100vh;background:rgba(5,5,5,.86);backdrop-filter:blur(22px);border-right:1px solid var(--border);padding:28px;display:flex;flex-direction:column;justify-content:space-between;z-index:999;overflow:hidden;transition:.4s ease}.sidebar:hover{width:270px}.sidebar:hover .logo img{max-width:210px}.sidebar::before{content:"";position:absolute;top:0;right:0;width:2px;height:100%;background:linear-gradient(to bottom,transparent,rgba(255,255,255,.2),rgba(255,255,255,.8),rgba(255,255,255,.2),transparent);box-shadow:none}@keyframes borderFlow{0%{opacity:.4;}50%{opacity:1;}100%{opacity:.4;}}.logo{width:100%;display:flex;justify-content:center;align-items:center;padding-bottom:30px;opacity:0;transform:scale(.9);transition:var(--transition);background:transparent}.logo img{width:100%;max-width:100%;height:auto;object-fit:contain;display:block;transition:var(--transition)}.logo img:hover{opacity:.9;transform:scale(1.02);background:transparent}.sidebar:hover .logo{opacity:1;transform:scale(1)}.system-status{opacity:0;visibility:hidden;transition:var(--transition)}.sidebar:hover .system-status{opacity:1;visibility:visible}.system-status{margin-top:24px;display:flex;align-items:center;gap:12px;font-size:.76rem;letter-spacing:2px;white-space:nowrap;color:transparent;transition:var(--transition)}.sidebar:hover .system-status{color:var(--muted)}.status-dot{width:10px;height:10px;background:var(--blue-neon);border-radius:50%;box-shadow:var(--glow-blue);animation:pulse 1.8s infinite;flex-shrink:0}.sidebar-nav{display:flex;flex-direction:column;gap:12px}.sidebar-nav a{padding:16px 18px;border-radius:5px;display:flex;align-items:center;gap:15px;color:transparent;border:1px solid transparent;position:relative;overflow:hidden;transition:var(--transition);white-space:nowrap;background:transparent}.sidebar:hover .sidebar-nav a{color:var(--muted)}.sidebar-nav a::after{content:"";position:absolute;left:-120%;top:0;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);transition:.6s}.sidebar-nav a:hover::after{left:120%}.sidebar-nav a::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--yellow);opacity:0;transition:var(--transition);box-shadow:var(--glow-yellow)}.sidebar-nav a span{font-size:.72rem;letter-spacing:2px;opacity:.45;min-width:22px;color:rgba(255,255,255,.7)}.sidebar-nav a i{font-size:1rem;width:20px;color:rgba(255,255,255,.7);flex-shrink:0;transition:var(--transition)}.sidebar-nav a:hover i{transform:scale(1.2)}.sidebar-nav a:hover,.sidebar-nav a.active{background:var(--panel);border-color:var(--border-light);color:var(--white);transform:translateX(6px);box-shadow:0 8px 24px rgba(0,0,0,.25)}.sidebar-nav a:hover::before,.sidebar-nav a.active::before{opacity:1}.sidebar-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.08);opacity:0;transition:var(--transition)}.sidebar:hover .sidebar-bottom{opacity:1}.sidebar-bottom p{font-size:.88rem;font-weight:700;margin-bottom:5px;letter-spacing:1px}.sidebar-bottom small{color:var(--muted);letter-spacing:2px}