.sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background-color:hsl(var(--color-surface-0));border-right:1px solid hsl(var(--color-surface-200));display:flex;flex-direction:column;z-index:50;transition:transform .3s ease}.sidebar-header{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-6);border-bottom:1px solid hsl(var(--color-surface-200))}.brand{font-size:1.25rem;font-weight:700;color:hsl(var(--color-primary));letter-spacing:-.02em}.sidebar-nav{padding:var(--space-4);flex:1;display:flex;flex-direction:column;gap:var(--space-2)}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:hsl(var(--color-text-muted));font-weight:500;transition:all .2s}.nav-item:hover{background-color:hsl(var(--color-surface-100));color:hsl(var(--color-text-main))}.nav-item.active{background-color:hsl(var(--color-primary-light));color:hsl(var(--color-primary))}.sidebar-footer{padding:var(--space-4);border-top:1px solid hsl(var(--color-surface-200))}.logout-btn{width:100%;color:hsl(var(--color-error))}.logout-btn:hover{background-color:#fff5f5;color:hsl(var(--color-error))}.layout{min-height:100vh;display:flex}.main-content{flex:1;margin-left:260px;min-height:100vh;display:flex;flex-direction:column;padding-bottom:var(--space-12)}.top-bar{height:64px;background-color:hsl(var(--color-surface-0));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid hsl(var(--color-surface-200));display:none;align-items:center;padding:0 var(--space-4);justify-content:space-between;position:sticky;top:0;z-index:40}.page-content{padding:var(--space-6);max-width:1200px;margin:0 auto;width:100%}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:var(--shadow-lg)}.main-content{margin-left:0}.top-bar{display:flex}.sidebar-overlay{position:fixed;inset:0;background:#00000080;z-index:45;opacity:0;pointer-events:none;transition:opacity .3s}.sidebar-overlay.open{opacity:1;pointer-events:auto}.md-hidden{display:block}}:root{--color-primary: 250 100% 65%;--color-primary-dark: 250 100% 55%;--color-primary-light: 250 100% 95%;--color-secondary: 180 100% 40%;--color-secondary-light: 180 100% 95%;--color-surface-0: 0 0% 100%;--color-surface-100: 240 10% 98%;--color-surface-200: 240 10% 96%;--color-surface-300: 240 10% 90%;--color-text-main: 240 10% 10%;--color-text-muted: 240 5% 45%;--color-text-light: 240 5% 65%;--color-success: 150 100% 35%;--color-warning: 40 100% 50%;--color-error: 0 90% 60%;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--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);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:hsl(var(--color-surface-100));color:hsl(var(--color-text-main));line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-4)}.card{background:hsl(var(--color-surface-0));border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid hsl(var(--color-surface-200));padding:var(--space-6);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.text-primary{color:hsl(var(--color-primary))}.bg-primary{background-color:hsl(var(--color-primary));color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-weight:500;transition:all .2s}.btn-primary{background-color:hsl(var(--color-primary));color:#fff}.btn-primary:hover{background-color:hsl(var(--color-primary-dark))}.btn-outline{border:1px solid hsl(var(--color-surface-300));background:#fff;color:hsl(var(--color-text-main))}.btn-outline:hover{background:hsl(var(--color-surface-100))}