:root{--bg-color:#f8fafc;--sidebar-bg:#1e293b;--sidebar-text:#f8fafc;--text-main:#0f172a;--text-muted:#64748b;--primary-color:#4f46e5;--primary-hover:#4338ca;--success-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--card-bg:#fff;--card-border:#e2e8f0;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--border-radius:8px;--transition:all .2s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--border-radius);padding:1.5rem;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.btn{cursor:pointer;transition:var(--transition);font-weight:500;font-family:var(--font-family);border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;padding:.5rem 1rem;font-size:.875rem;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-outline{border-color:var(--card-border);color:var(--text-main);background-color:#0000}.btn-outline:hover{background-color:var(--bg-color)}.admin-layout{min-height:100vh;display:flex}.sidebar{background-color:var(--sidebar-bg);width:250px;color:var(--sidebar-text);padding:1.5rem}.main-content{flex:1;padding:2rem;overflow-y:auto}h1,h2,h3,h4{color:var(--text-main);margin-bottom:.5rem}p{color:var(--text-muted)}.mobile-header,.sidebar-overlay{display:none}@media (width<=768px){.admin-layout{flex-direction:column}.mobile-header{background-color:var(--card-bg);border-bottom:1px solid var(--card-border);z-index:30;justify-content:space-between;align-items:center;padding:1rem;display:flex;position:sticky;top:0}.sidebar-title{display:none!important}.sidebar{z-index:50;height:100vh;transition:transform .3s;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{z-index:40;background:#00000080;display:block;position:fixed;inset:0}.main-content{width:100%;padding:1rem}.card{padding:1rem;overflow-x:auto}}