:root{--sidebar-bg:#1e1e2d;--sidebar-color:#a2a3b7;--sidebar-active:#fff;--bg:#f3f6f9;--card-bg:#fff;--primary:#3699ff;--text:#3f4254;--border:#e4e6ef}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Inter,sans-serif}.admin-container{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);flex-direction:column;width:250px;padding:2rem 0;display:flex}.sidebar h2{color:#fff;margin-bottom:2rem;padding:0 2rem;font-size:1.2rem}.sidebar button{color:var(--sidebar-color);text-align:left;cursor:pointer;background:0 0;border:none;padding:1rem 2rem;font-size:1rem;transition:all .2s}.sidebar button:hover,.sidebar button.active{color:var(--sidebar-active);border-left:3px solid var(--primary);background:#ffffff0d}.main-content{flex:1;padding:2rem}.card{background:var(--card-bg);border-radius:8px;padding:2rem;box-shadow:0 0 20px #00000008}.card h2{margin-bottom:1.5rem;font-weight:500}.card h3{color:#a2a3b7;margin:1.5rem 0 .5rem;font-size:1rem}.admin-form .form-grid{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem;display:grid}input,select{border:1px solid var(--border);border-radius:4px;outline:none;width:100%;padding:.75rem;font-size:.95rem;transition:all .2s}input:focus,select:focus{border-color:var(--primary)}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:4px;margin-top:1rem;padding:.75rem 2rem;font-weight:500}.admin-table{border-collapse:collapse;width:100%;margin-top:2rem}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid var(--border);padding:1rem}.checkbox-group label{cursor:pointer;align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.checkbox-group input{width:auto}