:root{--primary-blue: #1e40af;--secondary-blue: #3b72f6;--light-blue: #6095fa;--gradient-start: #1e2a8a;--gradient-mid: #3b72f6;--gradient-end: #6095fa;--white: #ffffff;--light-gray: #f3f4f6;--gray: #7c8394;--dark-gray: #333333;--error: #ef4444;--success: #10b981;--warning: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(180deg,var(--gradient-start) 0%,var(--gradient-mid) 50%,var(--gradient-end) 100%);min-height:100vh;color:var(--dark-gray)}.app{min-height:100vh}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;color:var(--white)}.loading-spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.3);border-top-color:var(--white);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading{text-align:center;padding:2rem;color:var(--gray)}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary-blue);color:var(--white)}.btn-primary:hover:not(:disabled){background:var(--secondary-blue);transform:translateY(-2px);box-shadow:0 4px 12px #1e40af66}.btn-secondary{background:var(--light-gray);color:var(--dark-gray)}.btn-secondary:hover:not(:disabled){background:#e5e7eb}.btn-admin{background:var(--secondary-blue);color:var(--white)}.btn-admin:hover:not(:disabled){background:var(--light-blue)}.btn-danger{background:var(--light-gray);color:var(--dark-gray)}.btn-danger:hover:not(:disabled){background:#e5e7eb}.btn-icon{background:none;border:none;font-size:1.2rem;cursor:pointer;padding:.5rem;transition:transform .2s}.btn-icon:hover{transform:scale(1.2)}.btn-icon:disabled{opacity:.3;cursor:not-allowed}.error-message{background:#fee2e2;color:var(--error);padding:1rem;border-radius:8px;margin-bottom:1rem;border-left:4px solid var(--error)}.success-message{background:#d1fae5;color:#065f46;padding:1rem;border-radius:8px;margin-bottom:1rem;border-left:4px solid var(--success)}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{background:#fffffff2;border-radius:20px;padding:2.5rem;max-width:450px;width:100%;box-shadow:0 20px 40px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:2rem}.auth-logo{max-width:800px;width:80%;height:auto;margin-bottom:1rem}.auth-header h2{color:#094c8a;font-size:1.35rem;margin-bottom:.5rem}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:var(--dark-gray);font-size:.9rem}.form-group input{padding:.875rem;border:2px solid #e5e7eb;border-radius:8px;font-size:1rem;transition:border-color .3s}.form-group input:focus{outline:none;border-color:var(--primary-blue)}.form-group input:disabled{background:var(--light-gray);cursor:not-allowed}.checkbox-group{flex-direction:row;align-items:center}.checkbox-group label{display:flex;align-items:center;gap:.5rem;cursor:pointer}.checkbox-group input[type=checkbox]{width:18px;height:18px;cursor:pointer}.auth-footer{text-align:center;margin-top:1.5rem;color:var(--gray)}.auth-footer a{color:var(--primary-blue);text-decoration:none;font-weight:600}.auth-footer a:hover{text-decoration:underline}.dashboard-container{min-height:100vh;padding:2rem}.dashboard-header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:1rem;border-radius:15px;margin-bottom:2rem;box-shadow:0 4px 12px #0000001a}.dashboard-logo{max-width:230px;height:auto;display:block;margin:0;padding:0;opacity:1}.user-info{display:flex;align-items:center;gap:1rem}.username{font-weight:600;color:var(--dark-gray);font-size:1.1rem}.admin-badge{background:var(--secondary-blue);color:var(--white);padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:600}.dashboard-content{max-width:800px;margin:0 auto}.dashboard-card{background:#fffffff2;border-radius:15px;padding:2.5rem;box-shadow:0 4px 12px #0000001a}.dashboard-card h2{color:#094c8a;margin-bottom:2rem;font-size:1.8rem}.user-details{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem;padding:1.5rem;background:var(--light-gray);border-radius:10px}.detail-row{display:flex;justify-content:space-between;padding:.5rem 0}.detail-label{font-weight:600;color:var(--gray)}.detail-value{color:var(--dark-gray);font-weight:500}.dashboard-actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}.password-change-section{margin-top:2rem;padding-top:2rem;border-top:2px solid var(--light-gray)}.password-change-section h3{color:var(--primary-blue);margin-bottom:1.5rem}.password-form{display:flex;flex-direction:column;gap:1.5rem}.admin-container{min-height:100vh;padding:2rem}.admin-header{display:flex;justify-content:space-between;align-items:center;background:#fffffff2;padding:1.5rem 2rem;border-radius:15px;margin-bottom:2rem;box-shadow:0 4px 12px #0000001a}.admin-header-left{display:flex;align-items:center;gap:1.5rem}.admin-logo{max-width:300px;height:auto}.admin-header h1{color:var(--primary-blue);font-size:1.8rem}.admin-header-right{display:flex;align-items:center;gap:1rem}.admin-user{font-weight:600;color:var(--dark-gray)}.admin-content{background:#fffffff2;border-radius:15px;padding:2rem;box-shadow:0 4px 12px #0000001a}.admin-actions{display:flex;gap:1rem;margin-bottom:2rem}.users-table-container{overflow-x:auto}.users-table{width:100%;border-collapse:collapse}.users-table th{background:var(--light-gray);padding:1rem;text-align:left;font-weight:600;color:var(--dark-gray);border-bottom:2px solid #e5e7eb}.users-table td{padding:1rem;border-bottom:1px solid #e5e7eb}.users-table tbody tr:hover{background:var(--light-gray)}.role-badge{padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:600}.role-badge.admin{background:var(--secondary-blue);color:var(--white)}.role-badge.user{background:var(--light-gray);color:var(--dark-gray)}.actions-cell{display:flex;gap:.5rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal{background:var(--white);border-radius:15px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #0000004d;animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-50px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:2px solid var(--light-gray)}.modal-header h2{color:var(--primary-blue);font-size:1.5rem}.modal-close{background:none;border:none;font-size:2rem;color:var(--gray);cursor:pointer;line-height:1;padding:0;width:30px;height:30px}.modal-close:hover{color:var(--dark-gray)}.modal-form{padding:2rem;display:flex;flex-direction:column;gap:1.5rem}.modal-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:1rem}@media (max-width: 768px){.dashboard-header,.admin-header{flex-direction:column;gap:1rem;text-align:center}.admin-header-left,.admin-header-right,.dashboard-actions,.admin-actions{flex-direction:column}.btn{width:100%}.users-table{font-size:.9rem}.users-table th,.users-table td{padding:.75rem .5rem}.auth-card,.dashboard-card{padding:1.5rem}.detail-row{flex-direction:column;gap:.25rem}}@media (max-width: 480px){.dashboard-container,.admin-container{padding:1rem}.auth-logo,.dashboard-logo,.admin-logo{max-width:300px}.modal{margin:1rem}.modal-form{padding:1.5rem}}