@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--font-family: "Inter", system-ui, -apple-system, sans-serif;--color-bg: #f9fafb;--color-sidebar: #f3f4f6;--color-border: #e5e7eb}body{margin:0;font-family:var(--font-family);background-color:var(--color-bg);color:#111827}button,input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.animate-spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.card{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;border:1px solid var(--color-border)}.text-muted{color:#6b7280;font-size:.9rem}.main-content{margin-left:260px}.mobile-only{display:none}.desktop-only{display:block}@media(max-width:768px){.mobile-only{display:block}.desktop-only{display:none}.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0!important}}.responsive-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:768px){.responsive-grid{grid-template-columns:1fr 1fr;gap:2rem}}.courses-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:768px){.courses-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}