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#ffffff;--sidebar-hover: rgba(255, 255, 255, .2);--sidebar-active: rgba(255, 255, 255, .3);--topbar-bg: rgba(255, 255, 255, .7);--main-bg: #eef2f3;--text-primary: #2d3748;--text-secondary: #718096;--card-bg: rgba(255, 255, 255, .4);--border-color: rgba(255, 255, 255, .2);--accent-color: #667eea}body{background-color:var(--main-bg);color:var(--text-primary);transition:all .3s ease}.dashboard-container{display:flex;min-height:100vh}.sidebar{width:260px;height:100vh;background:var(--sidebar-bg);color:var(--sidebar-text);position:fixed;left:0;top:0;transition:width .3s cubic-bezier(.4,0,.2,1);z-index:1000;display:flex;flex-direction:column;box-shadow:2px 0 10px #0000001a}.sidebar.collapsed{width:80px}.main-layout{flex:1;margin-left:260px;transition:margin-left .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.main-layout.expanded{margin-left:80px}.top-header{height:70px;background:var(--topbar-bg);display:flex;align-items:center;justify-content:space-between;padding:0 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.3s}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.switch input:checked+span{background-color:#667eea}.switch input:checked+span:before{transform:translate(26px)}.switch span:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.4s;border-radius:50%}button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.stat-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #0003}