:root {
            --primary-color: #4361ee;
            --secondary-color: #3a0ca3;
            --accent-color: #f72585;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1740&q=80') no-repeat center center fixed;
            background-size: cover;
            position: relative;
            min-height: 100vh;
        }
        
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: -1;
        }
        
        .navbar {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 15px 0;
        }
        
        .navbar-brand {
            font-weight: 700;
            color: white !important;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
        }
        
        .navbar-brand span {
            color: var(--accent-color);
        }
        
        .nav-link {
            color: rgba(255, 255, 255, 0.8) !important;
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s ease;
        }
        
        .nav-link:hover {
            color: white !important;
            transform: translateY(-2px);
        }
        
        .nav-link.active {
            color: white !important;
            border-bottom: 2px solid var(--accent-color);
        }
        
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
        }
        
        .card-body {
            padding: 2.5rem;
        }
        
        .btn-primary {
            background: var(--gradient);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(67, 97, 238, 0.4);
        }
        
        .form-control {
            border-radius: 50px;
            padding: 12px 25px;
            border: 1px solid #e1e1e1;
            transition: all 0.3s ease;
        }
        
        .form-control:focus {
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
            border-color: var(--primary-color);
        }
        
        .input-group {
            border-radius: 50px;
        }
        
        .input-group-text {
            background: transparent;
            border: none;
            border-radius: 50px;
            cursor: pointer;
        }
        
        .login-separater {
            position: relative;
            margin: 25px 0;
        }
        
        .login-separater span {
            background: white;
            padding: 0 15px;
            position: relative;
            z-index: 1;
            font-size: 14px;
            color: #6c757d;
        }
        
        .login-separater:after {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            width: 100%;
            height: 1px;
            background: #e1e1e1;
            transform: translateY(-50%);
        }
        
        .footer {
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            color: white;
            padding: 30px 0 10px;
            margin-top: auto;
        }
        
        .footer a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .footer a:hover {
            color: white;
            text-decoration: none;
        }
        
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .social-icons a:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .welcome-text {
            font-size: 2rem;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1.5rem;
        }
        
        .auth-subtitle {
            color: #6c757d;
            margin-bottom: 2rem;
        }
        
        .form-label {
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: #495057;
        }
        
        #show_hide_password {
            border: 1px solid #e1e1e1;
            border-radius: 50px;
            padding-right: 15px;
        }
        
        @media (max-width: 768px) {
            .card-body {
                padding: 1.5rem;
            }
            
            .welcome-text {
                font-size: 1.5rem;
            }
        }