:root{--color-primary: #0f172a;--color-primary-light: #1e293b;--color-accent: #2563eb;--color-accent-hover: #1d4ed8;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-bg-body: #f1f5f9;--color-bg-surface: #ffffff;--color-bg-surface-hover: #f8fafc;--color-text-main: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-text-inverse: #ffffff;--spacing-unit: .25rem;--header-height: 64px;--sidebar-width: 260px;--sidebar-bg: var(--color-primary);--sidebar-text: #ffffff;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--border-color: #e2e8f0;--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}:root.dark{--color-primary: #f8fafc;--color-primary-light: #f1f5f9;--color-bg-body: #0f172a;--color-bg-surface: #1e293b;--color-bg-surface-hover: #334155;--color-text-main: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--border-color: #334155;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--sidebar-bg: #0f172a;--sidebar-text: #f1f5f9}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);background-color:var(--color-bg-body);color:var(--color-text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{color:var(--color-primary);margin-top:0;line-height:1.25}a{color:var(--color-accent);text-decoration:none;transition:color .2s}a:hover{color:var(--color-accent-hover)}.container{max-width:1280px;margin:0 auto;padding:0 1rem}.card{background:var(--color-bg-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-color);padding:1.5rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out forwards}.admin-dashboard-v2 h1{font-weight:800;letter-spacing:-.025em}.admin-dashboard-v2 .card{transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.admin-dashboard-v2 .card:hover{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.stock-alert-item{transition:transform .2s ease;cursor:default}.stock-alert-item:hover{transform:translate(4px)}.main-layout{display:flex;min-height:100vh;position:relative}.sidebar{width:var(--sidebar-width);background-color:var(--sidebar-bg);color:var(--sidebar-text);padding:1.5rem;display:flex;flex-direction:column;height:100vh;position:fixed;top:0;left:0;z-index:50;transition:transform .3s ease-in-out}.main-content{flex:1;padding:2rem;overflow-y:auto;margin-left:var(--sidebar-width);width:calc(100% - var(--sidebar-width))}.mobile-nav-toggle{display:none;position:fixed;top:1rem;right:1rem;z-index:60;background-color:var(--color-bg-surface);border:1px solid var(--border-color);padding:.5rem;border-radius:var(--radius-md);cursor:pointer;box-shadow:var(--shadow-md);color:var(--color-text-main)}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;z-index:40;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}@media (max-width: 768px){.main-content{margin-left:0;width:100%;padding:5rem 1rem 1rem}.sidebar{position:fixed;transform:translate(-100%);height:100%;top:0;left:0;bottom:0}.sidebar.open{transform:translate(0);box-shadow:var(--shadow-lg)}.mobile-nav-toggle{display:flex;align-items:center;justify-content:center}.sidebar-overlay.visible{display:block}.card{padding:1rem}h1{font-size:1.5rem}}.grid-dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem}.grid-dashboard-charts{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem}.flex-toolbar{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;padding:1rem;border-bottom:1px solid var(--border-color)}.flex-filters{display:flex;gap:2rem;padding:1rem;background:var(--color-bg-body);border-bottom:1px solid var(--border-color);flex-wrap:wrap}@media (max-width: 1024px){.grid-dashboard-charts{grid-template-columns:1fr}}@media (max-width: 768px){.flex-filters{gap:1rem;flex-direction:column}.flex-filters>div{width:100%}.flex-filters select{width:100%;min-width:unset!important}}.grid-tech-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:2rem}.grid-tech-charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}