:root{--primary-color:#1a4b84;--primary-light:#2a6cb4;--primary-dark:#0f3b74;--secondary-color:#e63946;--secondary-light:#f65a67;--secondary-dark:#d62836;--accent-color:#f6f7f9;--accent-color-icon:#cfb10a;--accent-color-icon-light:#e0c52b;--light-color:#f8f9fa;--dark-color:#212529;--gray-100:#f8f9fa;--gray-200:#e9ecef;--gray-300:#dee2e6;--gray-400:#ced4da;--gray-500:#adb5bd;--gray-600:#6c757d;--gray-700:#495057;--gray-800:#343a40;--gray-900:#212529;--success-color:#28a745;--danger-color:#dc3545;--warning-color:#ffc107;--info-color:#17a2b8}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Poppins',sans-serif;background:linear-gradient(135deg,var(--primary-color) 0%,var(--dark-color) 100%);background-attachment:fixed;color:var(--gray-800);min-height:100vh;display:flex;justify-content:center;align-items:center;padding:2rem 1rem}.admin-container{background-color:var(--light-color);border-radius:1rem;box-shadow:0 15px 30px rgba(0,0,0,.2);width:100%;max-width:900px;padding:2rem;position:relative;overflow:hidden;animation:fadeIn .5s ease-out}@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}.admin-header{display:flex;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--gray-200);gap:1.5rem}.admin-header img{width:60px;height:auto;border-radius:50%;box-shadow:0 4px 8px rgba(0,0,0,.1);padding:.25rem;background-color:#fff;border:2px solid var(--primary-color)}.admin-header h1{font-size:1.8rem;color:var(--primary-color);margin:0;font-weight:600;flex-grow:1}.admin-nav{display:flex;gap:1rem;margin-bottom:1.5rem;border-bottom:1px solid var(--gray-300);padding-bottom:.5rem}.nav-tab{padding:.75rem 1.25rem;background-color:var(--gray-200);color:var(--gray-700);border-radius:.5rem .5rem 0 0;cursor:pointer;transition:all .3s ease;font-weight:500;display:flex;align-items:center;gap:.5rem;position:relative;overflow:hidden}.nav-tab::before{content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;background-color:var(--primary-color);transform:scaleX(0);transform-origin:center;transition:transform .3s ease}.nav-tab:hover{background-color:var(--gray-300)}.nav-tab.active{background-color:var(--primary-color);color:var(--light-color)}.nav-tab.active::before{transform:scaleX(1)}.tab-content{display:none;animation:fadeIn .3s ease-out}.tab-content.active{display:block}.admin-form{margin-bottom:2rem}.menu-item-admin{background-color:var(--gray-100);border-radius:.75rem;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:all .3s ease;border-left:4px solid var(--primary-color)}.menu-item-admin:hover{box-shadow:0 6px 12px rgba(0,0,0,.1);transform:translateY(-2px)}.menu-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.menu-header h3{font-size:1.2rem;color:var(--primary-color);font-weight:600}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--gray-700);font-weight:500}.form-group input[type="text"],.form-group input[type="password"]{width:100%;padding:.75rem 1rem;border:1px solid var(--gray-300);border-radius:.5rem;font-family:inherit;font-size:1rem;transition:all .3s ease}.form-group input[type="text"]:focus,.form-group input[type="password"]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(26,75,132,.2)}.toggle-switch{position:relative;display:inline-block;width:60px;height:30px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--gray-400);transition:.4s;border-radius:30px}.toggle-slider:before{position:absolute;content:"";height:22px;width:22px;left:4px;bottom:4px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.toggle-slider{background-color:var(--accent-color-icon)}input:focus+.toggle-slider{box-shadow:0 0 1px var(--accent-color-icon)}input:checked+.toggle-slider:before{transform:translateX(30px)}.btn{padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-family:inherit;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 4px 6px rgba(0,0,0,.1)}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 12px rgba(0,0,0,.15)}.btn:active{transform:translateY(0)}.btn-primary{background-color:var(--primary-color);color:var(--light-color)}.btn-primary:hover{background-color:var(--primary-light)}.btn-danger{background-color:var(--danger-color);color:var(--light-color)}.btn-danger:hover{background-color:#e04555}.btn-success{background-color:var(--success-color);color:var(--light-color)}.btn-success:hover{background-color:#2dbc4e}.actions{display:flex;gap:1rem;margin-top:1.5rem}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;animation:slideIn .3s ease-out;position:relative}@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}.alert-success{background-color:rgba(40,167,69,.15);border-left:4px solid var(--success-color);color:#155724}.alert-danger{background-color:rgba(220,53,69,.15);border-left:4px solid var(--danger-color);color:#721c24}.alert-close{position:absolute;right:1rem;top:50%;transform:translateY(-50%);cursor:pointer;font-size:1.2rem;opacity:.7;transition:opacity .3s ease}.alert-close:hover{opacity:1}.login-form{max-width:500px;margin:0 auto;padding:2rem;background-color:var(--gray-100);border-radius:1rem;box-shadow:0 8px 16px rgba(0,0,0,.1);animation:fadeIn .5s ease-out}.login-form h2{color:var(--primary-color);margin-bottom:1.5rem;text-align:center;font-size:1.8rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.password-field{position:relative}.password-toggle{position:absolute;right:1rem;top:50%;transform:translateY(-50%);cursor:pointer;color:var(--gray-600);transition:color .3s ease;z-index:2;display:flex;align-items:center;justify-content:center;width:24px;height:24px}.password-toggle:hover{color:var(--primary-color)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;visibility:hidden;transition:all .3s ease}.modal-overlay.active{opacity:1;visibility:visible}.modal-content{background-color:var(--light-color);border-radius:1rem;padding:2rem;width:90%;max-width:500px;box-shadow:0 15px 30px rgba(0,0,0,.2);transform:scale(.9);transition:transform .3s ease}.modal-overlay.active .modal-content{transform:scale(1)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--gray-300)}.modal-title{font-size:1.5rem;color:var(--primary-color);margin:0;display:flex;align-items:center;gap:.75rem}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--gray-600);cursor:pointer;transition:color .3s ease}.modal-close:hover{color:var(--danger-color)}.modal-footer{margin-top:1.5rem;display:flex;justify-content:flex-end;gap:1rem}@media (max-width:768px){.admin-container{padding:1.5rem;margin:1rem}.admin-nav{flex-wrap:wrap}.nav-tab{flex:1 0 40%;text-align:center;justify-content:center}.menu-header{flex-direction:column;align-items:flex-start}.menu-header .toggle-switch{margin-top:1rem}.actions{flex-direction:column}.actions .btn{width:100%}}@media (max-width:480px){.admin-header{flex-direction:column;text-align:center}.admin-header h1{font-size:1.5rem}.nav-tab{flex:1 0 100%;margin-bottom:.5rem;border-radius:.5rem}.login-form{padding:1.5rem}}