.admin-dashboard{min-height:100vh;background:#f5f5f5}.admin-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 0;box-shadow:0 2px 4px #0000001a}.admin-header-content{max-width:1400px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.admin-header h1{margin:0;font-size:2rem;font-weight:300}.admin-user-info{display:flex;align-items:center;gap:1rem}.admin-user-info span{font-size:1rem}.btn-logout{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.5rem 1rem;border-radius:4px;cursor:pointer;transition:background-color .3s}.btn-logout:hover{background:#ffffff4d}.admin-nav{background:#fff;border-bottom:1px solid #ddd;padding:0;max-width:1400px;margin:0 auto;display:flex}.nav-tab{background:none;border:none;padding:1rem 2rem;cursor:pointer;font-size:1rem;border-bottom:3px solid transparent;transition:all .3s;color:#666}.nav-tab:hover{background:#f8f9fa;color:#333}.nav-tab.active{color:#667eea;border-bottom-color:#667eea;background:#f8f9fa}.admin-content{max-width:1400px;margin:0 auto;padding:0}.tab-content{background:#fff;min-height:calc(100vh - 140px)}.loading-container,.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center}.loading-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-container h2{color:#dc3545;margin-bottom:1rem}.error-container p{color:#666;margin-bottom:2rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .3s;text-decoration:none;display:inline-block}.btn-primary{background:#667eea;color:#fff}.btn-primary:hover{background:#5a6fd8}@media (max-width: 768px){.admin-header-content{flex-direction:column;gap:1rem;text-align:center}.admin-nav{flex-direction:column}.nav-tab{padding:.75rem 1rem;border-bottom:1px solid #ddd;border-right:none}.nav-tab.active{border-bottom-color:#ddd;border-left:3px solid #667eea}}:root{--primary-color: #006666;--secondary-color: #009999;--background-color: #f0f0f0;--white: #ffffff;--text-color: #333333;--error-color: #e74c3c}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Cairo,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6}a{text-decoration:none;color:inherit}button{cursor:pointer;font-family:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.rtl{direction:rtl}.ltr{direction:ltr}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}