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768px){.form-modal{padding:1rem}.form-container{max-height:95vh}.form-row{grid-template-columns:1fr}.manager-header{flex-direction:column;gap:1rem;align-items:stretch}.entities-table{overflow-x:auto}.actions{flex-direction:column}}.admin-dashboard{min-height:100vh;background:#f5f5f5}.admin-loading{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f5f5f5}.loading-spinner{width:50px;height:50px;border:4px solid #e0e0e0;border-top:4px solid #2a5298;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.admin-header{background:linear-gradient(135deg,#1e3c72,#2a5298);color:#fff;padding:1rem 0;box-shadow:0 2px 10px #0000001a}.admin-header-content{max-width:1400px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.admin-header h1{margin:0;font-size:1.8rem}.admin-user-info{display:flex;align-items:center;gap:1rem}.logout-btn{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:.5rem 1rem;border-radius:6px;cursor:pointer;transition:all .3s ease}.logout-btn:hover{background:#ffffff4d}.admin-content{max-width:1400px;margin:0 auto;padding:2rem;display:grid;grid-template-columns:250px 1fr;gap:2rem;min-height:calc(100vh - 100px)}.admin-nav{background:#fff;border-radius:12px;padding:1rem;box-shadow:0 2px 10px #0000001a;height:fit-content;position:sticky;top:2rem}.nav-tab{width:100%;display:flex;align-items:center;gap:.8rem;padding:1rem;border:none;background:none;border-radius:8px;cursor:pointer;transition:all .3s ease;margin-bottom:.5rem;text-align:left}.nav-tab:hover{background:#f0f4ff}.nav-tab.active{background:linear-gradient(135deg,#1e3c72,#2a5298);color:#fff}.tab-icon{font-size:1.2rem}.tab-label{font-weight:500}.admin-main{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 2px 10px #0000001a;min-height:600px}@media (max-width: 768px){.admin-content{grid-template-columns:1fr;padding:1rem}.admin-nav{display:flex;overflow-x:auto;padding:1rem .5rem}.nav-tab{white-space:nowrap;margin-right:.5rem;margin-bottom:0;min-width:auto}.admin-header-content{padding:0 1rem;flex-direction:column;gap:1rem;text-align:center}.admin-header h1{font-size:1.5rem}}