* {
                margin: 0;
                padding: 0;
                box-sizing: border-box;
                font-family: "Quicksand", sans-serif;
            }

      

            section {
                position: absolute;
                width: 100vw;
                height: 100vh;
                z-index: 0;
            }

            section::before {
                content: '';
                position: absolute;
                width: 100%;
                height: 100%;
                background-position: center;
                background-repeat: no-repeat;
                z-index: 1;
                filter: brightness(0.8); 
            }

             .body-card {
                 display: flex;
                 justify-content: center;
                 align-items: flex-start;
                 min-height: 100vh;
                 padding-top: 80px;

            }

            .flip-container {
                background: rgba(255, 255, 255, 0.95);
                backdrop-filter: blur(15px);
                padding: 40px 35px;
                border-radius: 20px;
                width: 420px;
                min-height: 480px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
                border: 1px solid rgba(255, 255, 255, 0.2);
                color: #333;
                display: flex;
                flex-direction: column;
                gap: 25px;
                justify-content: center;
            }

            .card-content h2 {
                text-align: center;
                font-size: 2em;
                font-weight: bold;
                margin-bottom: 5px;
            }

            .form-group {
                position: relative;
                margin-bottom: 25px;
            }

            .form-group label {
                display: block;
                margin-bottom: 8px;
                font-weight: 600;
                color: #374151;
                font-size: 0.9em;
            }

            .form-group input {
                width: 100%;
                padding: 12px 16px;
                border: 2px solid #e5e7eb;
                border-radius: 8px;
                background: #f9fafb;
                color: #374151;
                font-size: 1em;
                transition: all 0.3s ease;
            }

            .form-group input:focus {
                outline: none;
                border-color: #026220;
                background: #ffffff;
                box-shadow: 0 0 0 3px rgba(2, 98, 32, 0.1);
            }

            .form-group input::placeholder {
                color: #9ca3af;
            }

            .form-group i {
                position: absolute;
                right: 10px;
                top: 50%;
                transform: translateY(-50%);
                color: rgb(8, 8, 8);
            }

            .options {
                display: flex;
                justify-content: space-between;
                align-items: center;
                font-size: 1em;
                margin: 10px 0;
            }

            .options label {
                display: flex;
                align-items: center;
                gap: 5px;
            }

            .options a {
                color: rgb(18, 17, 17);
                text-decoration: none;
                font-size: 0.9em;
            }

             .login-btn {
                width: 100%;
                background: linear-gradient(135deg, #3b82f6, #1d4ed8);
                color: white;
                padding: 14px 28px;
                border: none;
                border-radius: 12px;
                font-size: 16px;
                font-weight: 600;
                cursor: pointer;
                box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
                transition: all 0.3s ease;
                margin-top: 10px;
                text-transform: uppercase;
                letter-spacing: 0.5px;
            }
                                                                                                             
            .login-btn:hover {
                background: linear-gradient(135deg, #1d4ed8, #3b82f6);
                transform: translateY(-2px);
                box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
            }

            .login-btn:active {
                transform: translateY(0);
                box-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
            }
             .register-link {
                text-align: center;
                font-size: 1em;
                margin-top: 15px;
            }

            .register-link a {
                color: white;
                font-weight: bold;
                text-decoration: none;
            }