.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--color-bg-secondary);border-top:1px solid var(--color-border);display:flex;justify-content:space-around;align-items:center;padding:var(--spacing-2) 0;z-index:var(--z-fixed);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f172af2}[data-theme=light] .bottom-nav{background:#f8fafcf2}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-1);padding:var(--spacing-2) var(--spacing-4);color:var(--color-text-muted);text-decoration:none;transition:all var(--transition-base);border-radius:var(--radius-md);min-width:60px}.bottom-nav-item:hover{color:var(--color-text-secondary);background:var(--color-bg-tertiary)}.bottom-nav-item.active{color:var(--color-primary)}.bottom-nav-icon{font-size:24px;transition:transform var(--transition-base)}.bottom-nav-item.active 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var(--transition-base)}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.stat-primary{background:linear-gradient(135deg,#ef44441a,#dc26260d);border-color:#ef44444d}.stat-secondary{background:linear-gradient(135deg,#10b9811a,#0596690d);border-color:#10b9814d}.stat-accent{background:linear-gradient(135deg,#4f46e51a,#4338ca0d);border-color:#4f46e54d}.stat-icon{font-size:32px;margin-bottom:var(--spacing-2)}.stat-value{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-1)}.stat-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium)}.section{margin-bottom:var(--spacing-8)}.section h2{margin-bottom:var(--spacing-4);font-size:var(--font-size-xl)}.categories-grid{display:grid;gap:var(--spacing-4)}.category-card{background:var(--color-bg-secondary);border:1px solid 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